Advanced Linux Data Recovery Software

When any volume of your LINUX hard drive contains unnecessary data, which you do not want any more, you format it and store data afresh. Sometimes, due to operating system malfunction, file system corruption or any virus/malware infection, volumes get corrupted and cannot be accessed. In such cases, you need to format the troubled partitions/volumes, so that data can be stored and accessed normally. This is case, when you have to format the volume forcefully, which results in the loss of valuable data in the formatted partition. Apart from these, there are occasions, when you lose all your data because of any accidental formatting. In any such occasion, if you still want to recover your data back, you need to take the help of any linux recovery software.

The act of formatting is similar to deletion of data. In both these operations (Deletion and Formatting), the data from their location get removed and we fail to access them with any normal means. In case of deletion, the operating system simply removes the data from its source location, whereas in case of formatting, the data as well as the structure of the volume are removed by the OS. In both the cases, the operating system removes all entries of the deleted data and marks the memory location as free so that new data can be stored at the same location.

In this context, the interesting thing is that the operating system never completely erases the deleted or formatted data from the hard drive and even after such an operation, your seemingly lost data are very much present at their locations. If the lost or removed entries of the deleted/formatted data can be retrieved, then the data can be easily restored.

LINUX recovery software are developed with innovative techniques to find out the lost entries of files due to deletion or formatting of them. These utilities are efficient enough to read those lost entries and recover the files back. Moreover they are designed with completely read only approach and retrieve data in their original format, without any damage/modification neither to the data nor to the storage architecture of the drive.

Lost your Important Files in Linux?

Researches say that out of the many different reasons of data deletion, the most common cause is human mistake. Sometimes, it happens accidentally, whereas some other time, it is intentional. You were deleting some unwanted copies of photos, when mistakenly deleted the only copy of a memorable photograph. Similarly, you just deleted a folder and only after the deletion, realized that there was one important financial document in that deleted folder, which you need badly. While working on your LINUX system, such instances are not so uncommon and users do encounter them quite often. But, don’t worry! Even after such critical cases of data loss, you can still recover your data by using any good Linux data recovery software.

There are various instances of data deletion, including accidental deletion, intentional deletion of data or sabotage, deletion by virus attack etc. In earlier time, it was believed that once you deleted a data from the system, the data goes for ever and it can never be retrieved. But, one interesting truth regarding this myth is that recovery of a deleted piece of data is quite possible.

So, the question is what happens to the data that you deleted and how it can be recovered back? When you deleted a file from your LINUX system, the operating system removed all its entries from the system hard drive and marked the memory, allocated to the deleted data as free. But, remember that LINUX does not erase or overwrite the deleted data, until you save new files onto the same disk. Hence, if by any technique you can find out the removed entries of the deleted data and read them, the data can be recovered.

The LINUX recovery software do exactly the same. These software are developed with highly advanced scanning algorithms. When you run the software, these scanning algorithms dig your hard drive/volume in all possible ways and read the lost/removed entries. By using those lost entries, the software recovers the deleted or formatted data back.

These Linux data recovery software are absolutely read-only in their operations and never alter the structure or format of the data in the drive. Moreover, the utilities are developed with such user friendly user interfaces that they can be used by professional programmers as well as non-technical home users.

How to Recover Data after Encountering Error – GRUB 17

Error – GRUB 17: Recover data

The Grand Unified Bootloader or GRUB is a package from GNU that facilitates implementation of multi-boot operation. With GRUB, you can install more than one operating system on your LINUX based computer and have their benefits. GRUB also facilitates viewing various hard drive partitions, repartitioning, modifying partition settings etc. However, sometimes it flashes error messages indicating problems in the hard drive, following which all the data in the data become inaccessible. In such situations, you can execute any data recovery LINUX utility to recover the seemingly lost or inaccessible data back.

You tried to boot your LINUX system and the system became inaccessible after displaying a GRUB error message. The error message, you may have encountered can be read as -

“GRUB Error 17: Cannot mount selected partition”

There can be a number of possible reasons behind the occurrence of the above error message, such as:

Though the requested volume/partition exists, but GRUB fails to recognize the file system.
The boot device set in the file '/etc/fstab' is incorrect.

Note: '/etc/fstab' stores information regarding connected disks as well as their partitions and provides the same to the system, when any drive is mounted.

GRUB has tried to boot a partition with severe corruption or damage to the file system.

Solution:
The following work around may help you resolve the above issues:
If the file '/etc/fstab' has been found with incorrect boot partition, try to edit and provide the correct boot partition.
If the file system has been found to be damaged or corrupted, run the 'fsck' command-line utility to locate and fix the errors.

If both the above option fails to solve the problem, you need to format the drive and make fresh partitions. With partitioning, all your data in the drive gets lost and you have to restore them from an updated backup. In case, you do not have a valid backup, you can still retrieve the formatted data by running any LINUX data recovery software.

These linux data recovery software incorporates many advanced techniques to read the lost entries of the formatted files and successfully recover them back. These software are extremely read-only in nature and with interactive user interfaces, quite easy to use.

Discussing a particular case of Superblock corruption in Linux

Linux offers you a multi-platform, secure environment suitable for the entire open enterprise and providing features to help you excel in every aspect of competition. It offers a centralized administration to help you manage and make the best possible use of the Linux technology. When it comes to security, Linux is the most widely-accepted operating system because of its top-of-the-line security features. Despite having a range of user-specific benefits, using Linux has a few drawbacks. The Linux file system is often subject to damage or corruption due to various reasons, such as virus infection, hardware malfunction, operating system bugs, etc. As a consequence, the valuable data present on the hard drive becomes inaccessible. To overcome this problem, you need to go for Linux recovery through a reliable third-party utility.     

For instance, you may come across the following error while working using your Linux-based system:

“suse:/# chown -v ryan:ryan /mnt/hdc1
failed to change ownership of `/mnt/hdc1' to ryan:ryan
chown: changing ownership of `/mnt/hdc1': Operation not permitted
suse:/# chmod -v 777 /mnt/hdc1
mode of `/mnt/hdc1' changed to 0777 (rwxrwxrwx)
suse:/# ls -l /mnt/
total 16
drwxr-xr-x 4 root root 16384 1969-12-31 17:00 hdc1
suse:/#”

Causes:
One of the following reasons might be responsible for the above error:
Due to incorrect directory or file attributes, you are unable to change the permissions.
The root directory is damaged, making the disk structure unreadable.
The superblock in the underlying file system is corrupt.

Resolution:
You need to try the following steps to resolve the issue: 

Use the below given command to edit your user ID from the terminal as follows:
 sudo gedit /etc/fstab
In the 'options' section,  provide the following values
umask= 0000
uid= your UID value
gid= your GID value
Now, save the file and exit.
Execute the following command from the terminal
 'sudo umount -a'
Run the command 'sudo mount -a' from the terminal.

If the problem still persists, you should take help of a proficient data recovery Linux utility. These third-party tools carry out an in-depth scan of your hard drive to retrieve all lost, deleted, or inaccessible data without affecting its integrity and other important characteristics. They have a simple, interactive interface design to make recovery easy and facile for the end users. Moreover, they support all mainstream Linux distributions, including Red Hat, SUSE, Debian, Caldera, Mandrake, etc.

Explaining a case of kernel panic in Linux 4 system

While trying to boot your Linux 4 system, you might have seen this on your screen:

“ext2fs partition type 0x83. ....ext3-fs: journal inode is deleted....
mount: error 22 mounting ext3 error 2 mounting name switchroot:
mountfailed:22 umount/initrd/dev failed:2 kernel panic - not syncing.”

This error indicates that somehow the beginning of the hard disk has become corrupt. The inode table contains some bad blocks that also include an ext3 journal file’s inode. Although, it is not certain but seems as if the root file system is non-recoverable. If you have a map, you can easily find out other copies of the inode table on the disk. In case the data is present on other file systems, use a disaster recovery boot media or an installation media to boot the system and try to recover data on those file systems by first mounting them and then moving data to another file system or tape.

Data is a valuable asset and if your data is really confidential or critical, you can take help of a reliable data recovery services provider. It is worthwhile to avail good data recovery services, but still they do not guarantee a complete recovery as the disk may have been seriously damaged or crashed.

Another best alternative is to run consistency checks and then try to reformat the drive and reinstall the operating system. Now, after configuring your system, you need to create a bootable CD and backup the entire system on a reliable media. You can now easily use the bootable disc to boot and then restore the system. You should always perform full system backups and that too frequently. This will ensure that you do not lose too much data or if the data is really important, have incremental backups and save them to a different device.

Kernel panic is a serious problem and may occur on any platform that you use.      

Exploring the causes of Superblock corruption in Linux and the possible data loss

A Linux file system consists of blocks. Some blocks store user data or files, while the other blocks store the file system’s metadata. The blocks that contain metadata are called metadata structures. A superblock is the most fundamental metadata structure that includes information about the file system, such as file system type, size, status, information about other meta data structures, etc. This information is critical and sensitive. If a superblock gets damaged or corrupt, you may encounter serious data loss. To overcome this problem and recover all lost invaluable data, you need to go for Linux recovery through a reliable third-party utility.

Suppose you use a Linux-based PC. When you attempt to mount your file system, you may receive the following error message on your screen:

“/dev/sda2: Input/output error
mount: /dev/sda2: can't read superblock”

Cause:

The above error indicates that there is some corruption in the superblock. This corruption may be caused due to several reasons, such as virus infection, abnormal shutdown of the system, operating system bug, etc.

As a consequence, all your valuable data present on the hard drive would become inaccessible. At this stage, you may use an updated backup to restore all the lost or inaccessible data. However, if the backup is unavailable, you should follow the below mentioned resolution steps.

Resolution:

Linux maintains multiple copies of superblock in the file system. In case if a damage occurs to the primary superblock, you can use these backup copies to restore the corrupt superblock. To resolve the above problem, you need to mount the partition using different superblock:

• First determine the location of the alternate superblock using the command:

# dumpe2fs /dev/sda2 | grep superblock

You will get the output as shown below:

Primary superblock at 0, Group descriptors at 1-6

Backup superblock at 32768, Group descriptors at 32769-32774

• Now, try repairing the file system using the backup copy of the superblock as follows:

# fsck -b 32768 /dev/sda2

• Use ‘Mount’ to mount your file system:

# mount /dev/sda2 /mnt

If the problem still persists, you should take help of a competent data recovery Linux tool. These third-party software help you safely recover every piece of lost, deleted, or inaccessible data from any Linux-based system. They provide a rich and interactive interface that needs no technical expertise for its proper implementation. Moreover, they support Ext4, Ext3, Ext2, FAT32, FAT16, and FAT12 file systems.

How to fix file system corruption problem in linux when FSCK fails

Although Linux machine is considered as one of the most crash resistant but some times it too suffers from crash due to various unavoidable reasons like file system corruption and hardware failures. File system corruption can be easily resolved by running 'fsck' command, FSCK or "file system check" is a tool to check the consistency of Linux file systems But what will happens if this utility itself fails as the case of extreme corruption . As a consequence, we may lose all the valuable data stored in your system. To overcome the problem, we need to look for some third party Linux data recovery tool to get back our critical data.

    

For instance, we may come across the following series of error messages after starting our Linux machine:   First, we encounter “dev/hda2 contains a file system with errors-check forced” error

The system performs an automatic "File System Check" (fsck) and displays the following messages on your screen-

“unexpected inconsistency RUN fsck manually without -a or -p options” 

“An automatic file system check of root file system failed. fsck should be performed in maintenance mode with root file system in read only” 

“a manual fsck must be performed then system rebooted”

Now lets check the reason behind this error:-

We have to face such behavior because there is some corruption in our file system. The corruption could be due to various reasons, like

 1) Virus infection

 2) Operating system malfunction

 3) Super-block or Inode damage

This will prevent us from accessing the data. An updated backup will help to retrieve all the lost or inaccessible data. However, if the backup is not available, we should follow the below steps to get back the data.

• Run the 'fsck' command manually following the syntax as given below-

              --'fsck [ -F fstype] [-V] [-yY] [-o options] special'

Here 'fstype' is the file system type and 'special' resembles the character device name of the file system. 

If the problem still persists, you should take help of a third party linux recovery tool. These tools are made to recover all the lost data from a Linux-based machine in any case of severe corruption and data loss.

How to get Linux data Back after formatting Of Hard drive

Linux as we know is entirely an Open source Operating system there are thousands of developers independently working on its improvement and hence it is the most frequently updated Operating system due to this the Linux OS system is considered as most Error free system, but the fact is that any machine can go wrong and even the Linux is not an exception.

Sometimes, we may come across the situation when we have to format Hard drive or the drive gets formatted accidentally In these kind of situations we have to take help of some Linux recovery software to get our formatted data back.

Now let us discuss the circumstance which forces us to format the drive or the data is deleted, at times it happens that our system gets corrupted and we are left with no other option than to format the drive, and hence that causes loss of our data. some more situation are given below:

1) Operating system malfunction

2) Formatted the volume to increase partition size

3) Corruption of the file system

4) Severe corruption of the drive due to virus or malware attack

5) Accidental formatting of Hard drive

All the above leads towards loss of critical data loss so it is generally advised to take a complete backup of your critical data before making any significant changes to your machine and if you have not taken any backup of your data we should always remember that data from a drive is never lost unless it is over written and if that is not the case than third party linux data recovery software must be used to get back your data, these software are quiet capable enough to get the lost data back through there highly efficient scanning Algorithm.

Linux file recovery software when critical data loss occurs

Linux has gained enough popularity for its new and updated features. Usually, this operating system is considered as the most regularly upgraded application and hence, with Linux, many users feel that they are having the advantage of using the most recent technologies. Even some feel that Linux is free from virus attack and other data loss problems. However, it is the fact that the technology has nothing to do with data loss. Linux systems also undergo severe data loss situations, leaving the system drive completely inaccessible. Under such cases, you can take the help of any Linux data recovery software to retrieve your data back.

Data loss in Linux can be in any form, starting from the accidental/intentional deletion, formatting of the media, virus/malware attack, operating system malfunction, file system corruption or any other software/hardware contradiction etc.

Whatever, be the reason behind the failure of the Linux system, it is your valuable data in the media which suffers the most. Some data can be urgently required, some are the result of months of research work and some even can never be recreated. In such situations, loss of them caused severe business loss and mental trauma.

Among all the odds, if you have taken regular backups of your data, you always resides at the safe side and can restore the data from a recently taken valid backup. But, if you have not taken any recent backup, you are under serious trouble for sure.

But, among all these troubles of data loss, the good fact is that data from the troubled Linux drive never gets lost permanently. Therefore, if you can take strict measures to avoid overwriting the data in the drive, and run any efficient Linux file recovery utility, then, all you lost data can be easily recovered back.

These undelete Linux applications can work on any Linux operating system based computer system and can recover your lost, deleted, formatted or inaccessible data effectively. These utilities have been developed with many advanced scanning algorithms to dig into the storage media throughly and are completely read-only in nature. Moreover, with detailed instructions at every step and highly graphical user interfaces, they are pretty easy to use even with much technical knowledge.

How to recover linux files after corruption

Installed Applications  and the operations performed by them are critical part of any OS These operations are critical from system point of view to access data from hard drive and run the software, both application and system software. Linux operating system manages all the system related operations through init. It is the most significant step of booting process. However, if it fails to run properly, system becomes unbootable and stored data become inaccessible. This behavior leads to data loss and put you in need of Linux file recovery solutions.

When you boot your Linux computer, init is the step of the process that is identified through process id 1. The init data structure has all controls sequences and processes when you shut down your Linux system. If you encounter errors while starting or shutting down the Linux system, it can be due to missing init file or initrd file corruption.

As a practical example of this problem with your Linux OS based computer, you may get the below error while booting the computer-

“Kernel panic: No init found. Try passing init= option to kernel”

As stated in the error message, Linux cannot find init file. The file may also be inaccessible due to corruption. At this point, data become inaccessible and Linux data recovery becomes very essential .

Root Cause:-
You may face this problem due to any of the below reasons-
The ‘root’ parameter of Linux Kernel statement is not pointing to a valid hard drive volume or hard drive.
Initrd file is damaged or corruption. The problem can also occur if the file has been deleted.
Initrd statement is not put at right place when GRUB requires it.

Steps to resolve
Follow the below given Linux recovery steps to recover lost data-
Make sure that initrd file is at correct position.
Change root parameter to the additional parameter that contains root directory of your Linux system.
Use Linux Rescue CD to restore damaged initrd and init files from it.
If the problem persists, format entire hard drive and reinstall operating system. Afterwards, restore data from backup.
If backup is not in place, then you need to perform data recovery Linux using third-party applications.

These linux file recovery tools are capable of methodically handling all data loss situations. They help you recover data in a safe and easy way.

Major Reasons for Data loss In Linux

Linux although considered as a stable and secure Operating system may still have to face the situation when data loss could occur resulting the loss in some critical files

    There are basically many reasons that could result in these situation they are explained here one by one generally its the crashing of hard drive that is the main culprit some reasons for this are

A) Damaged or missing files from Operating system.

B) Virus attack. yes despite being called as virus free OS it too suffers from Malware

C) Messages like "Unable to Mount Operating system".

D) Damanged Master Boot Record

E) Corruption is superblock

F) Errors Like "No Fixed Disk Present""DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER"


All the above Points affects linux based hard drive. Resulting data loss these sort of losses could be prevented with the Use of Third Party Data Recovery Linux softwares these softwares are quiet efficient to recover lost data.

How to recover ext4 files in Linux

Ext4 stands for forth extension file system it is the newest file system in Linux and its generally considered as the more advanced version of ext3 file system .Until now Ext3 file system is the most popular file system because of its stability it is basically journaled file system. In spite of these great features ext3 have some limitations too to overcome the limitation Ext4 file system was developed . Ext4 file system provides improved performance as well as it has enhanced reliability, there are major changes incorporated in its data structures like the delayed allocation features, basically in delayed allocation new data is not written as soon as it is written the written process is delayed.

Although the delayed allocation feature have some advantages but this could also lead to data loss situation and in that situation the only Savior with us is the recovery software's. like the ext4 file recovery software from stellar data recovery

Lets explain the situation by taking a scenario we are using Ubuntu with file system Ext4 and while you are working on the machines the system shuts down suddenly now when we restarts the system the files on which we are working are no longer accessible we finds that the delayed allocation property of the ext4 file system has caused the data loss the problem is that it takes about a minute for the data to be written on the disk but our machine was abruptly shuts down

when the problem of this type occurs best solution is to refer third party Linux data recovery application to get your data back .

Stellar releases QuickBooks Recovery 2.0 with 2011 support and more recovery features

Gurgaon, Haryana <22-02-2011>, Stellar Information Systems Ltd, the leading provider of advanced data recovery software and services, today announced the release of the upgraded version of Stellar Phoenix Recovery for QuickBooks. The current release of the software incorporates a number of new features and significantly faster scanning process than its predecessor.

Stellar Phoenix QuickBooks repair utility repairs any corrupt or damaged QuickBooks database file (.qbw) and helps in recovering the business critical financial accounting information related to Customers, Employees, Vendors, and Services etc. Version 2.0 of the software now also supports QuickBooks 2011 and is designed to recover the seemingly lost information from QuickBooks Simple Start, Premier, Pro & Enterprise Solution editions.

“Stellar Phoenix Recovery for QuickBooks Is good utility to have handy for all those using QuickBooks for their accounting and other transaction based process, as end users often face instances of data loss due to corruption or damage to database. The recent release of the software has been developed to facilitate many new features, including the recovery of Employee Transaction, Credit Card Charges, Funds Transfer, option to save scan log etc. With more than 13 new feature additions, including support for QuickBooks 2011 and a faster scanning operation, the Surely meets lot of requirements of QuickBooks end users.” said Mr. Sunil Chandna, CEO, Stellar Information Systems Ltd.

Key Features – Stellar Phoenix Recovery for QuickBooks

• Recovers all the accounting/financial information pertaining to Customers, Vendors, Employees etc.
• Supports all editions of Intuit QuickBooks (US version) 2011, 2010, 2009, 2008 and 2007.
• Designed to work with Windows 7, Vista, Server 2003, XP, 2000 and NT .
• Supports recovery from QuickBooks Enterprise Solution, Premier, Pro and Simple Start
• Displays the preview of the recoverable contents before actual recovery
• Facilitates to update the current version with the latest definitions over Internet

About Pricing and Availability

Stellar Phoenix QuickBooks Recovery 2.0 is available in Administrator, Technical and Academic licenses. The Administrator license of the software is available at $249.

Fsck error and data loss in linux

Linux is a widely known OS used in millions of computers today because it is virus free and quiet stable Open source operating system, it has various distributions to meet different kinds of needs. This advanced operating system supports a wide range of file systems, including Ext3. Ext3 is the most popular and widely used file system. It is used as a default file system numerous Linux versions. It provides a wide range of safety measures to prevent file system damage.

Ext3 is basically a journaled file system, it does not require file system checking when your Linux computer shuts down unexpectedly because of power failure, operating system crash, or any other reason. Ext3 file system also enables H-Tree indexing and online file growth for large directories. However, irrespective of various advanced security features, this file system may encounter corruption in some situations.

Wherever there is a corruption in Ext3 file system the following message is splashed

“fsck.ext3 Unable to resolve 'LABEL=boot”

This error message occurs when you boot your Linux based machine after initializing the hardware. The error may also occur if your Linux runs fsck command at boot time.

Grounds of the problem-
This behavior of Linux operating system occurs if any of the below conditions are true-
Boot partition of Linux system is damaged.
Hard drive is affected by bad sectors.
There is a wrong entry of the boot partition in the /etc/fstab file.
Ext3 file system is damaged.

Resolution-
Apply the following Linux data recovery solutions to sort out this problem-
 

A) In case of boot partition corruption, run fsck on the damaged volume. It detects and fixes file system and hard drive integrity issues.
B) Mark correct entry of boot partition in the list of volumes. For this purpose, you need to boot your system using Linux Rescue CD.
C) Replace the bad sector affected storage media with a new disk. However, you need to restore data from an updated backup after this process.

If all the above options are used and still the important files are in accesible then there is a need of third party Ext3 recovery tool. They let you perform Linux recovery in an easy and safe way with simple user interface and read-only conduct.

Causes Of Data Loss While System Crash or Damaged in Linux File System

Linux is a stable and reliable operating system, which is completely open source system software that lets you customize the code as per your requirements. There are numerous distributions of Linux operating system, which are designed to meet different requirements. The base code of all the distributions is almost same and work in similar way. However, in some situations, this stable operating system may crash and cause data loss. At this point, linux data recovery solutions come for your rescue.

View Original Story:- Causes Of Data Loss While System Crash or Damaged in Linux File System

Linux data recovery software to prevent data loss

Linux is an advanced operating system and over the years, it has given more ease of usage. Since its development, with every passing year, more and more users have opted for Linux. For it’s useful and quality features, many industries, entrepreneurs and individual users have shown faith on this comparatively new operating system. 

As this is the most frequently updated operating system among its class, many users even consider Linux as absolutely flawless. However, as we all know, no application is completely free from problems and Linux also has its share as well. But, the good thing is that with Linux data recovery utilities, you have ample chance of recovering your data back after any occurrence of data loss or inaccessibility problem.

There can be a number of situations, in which you may lose your valuable data from your so called robust Linux system. Below mentioned are some of the mostly encountered ones:

Accidental or intentional deletion of data from the Linux system.
File system corruption.
Operating system malfunction.
Virus/malware infection.
Any application contradiction resulting in the crash or corruption of the Linux OS etc.

The list can be very long and the most threatening point of all these situations is the loss or inaccessibility of your valuable data from the Linux system. But, the good thing that may sooth your nerves a little is that after any occurrence of data loss, the data from the Linux drive does not get lost permanently. If the
lost data is not overwritten, you can always have a chance of recovering the data back from the troubled drive or volume.

Therefore, once, you encounter any data loss situation and if you do not have a valid backup of your data, ensure that there won’t be any activity on the troubled drive. Then, without any further experimentation, run any good Linux file recovery utility.

These undelete Linux applications have immense potential to dig into the troubled Linux hard drive or volume and locate the lost data. These utilities are completely read-only in their operations and do not make any modification to the original data or its format.

How to undelete Windows files after receiving 8000FFFF error message in Windows Vista?

Windows system registry is considered as the base of Microsoft Windows operating system. It is a hierarchical database containing configuration settings for all the hardware and software installed in your system. As the computer users are facing several issues while working with Windows Vista, some advanced users try to troubleshoot the errors themselves by modifying the system registry. Changing the system registry values isn’t an easy task. If you try tampering with the system registry without having a prior technical expertise and knowledge, you may end up degrading your system’s performance and some application programs may start behaving abnormally. In the worst scenario, your system may become unbootable and you may lose all the vital data stored therein. To undelete Windows data in such critical situations, you should use an efficient third party tool.

For instance, you may receive the following error while downloading updates on your Windows Vista-based PC using the Windows update feature:

“An error has occurred: 8000FFFF

Please update your drivers and run the Windows repair tool”

Causes:

This error has occurred due to the existence of any of these values in the Windows registry:

• HKEY_LOCAL_MACHINE\COMPONENTS\PendingXmlIdentifier

• HKEY_LOCAL_MACHINE\COMPONENTS\NextQueueEntryIndex

• HKEY_LOCAL_MACHINE\COMPONENTS\AdvancedInstallersNeedResolving

If an adequate action is not taken immediately, this error may cause a serious harm to your system. You may also face severe data loss situation. In these circumstances, you may undelete files by using an updated backup. If you do not have a backup, follow below mentioned resolution steps.

Resolution:

Follow these steps to resolve the error-

• In the Start menu, select Run and type ‘RegEdit’

• Right-click COMPONENTS after selecting ‘HKEY_LOCAL_MACHINE\COMPONENTS’

• Choose Export and type ‘COMPONENTS’ in the File name box.

• Go to Save in box and click Desktop.

• Now click Save and the file will be saved to your desktop.

• Go to the details pane, right click PendingXmlIdentifier and choose delete.

• Delete NextQueueEntryIndex and AdvancedInstallersNeedResolving registry entries in a similar manner.

• Reboot the system.

Deleting or modifying registry entries incorrectly may cause serious problems to your system. It may also lead to a system crash. To recover back your lost invaluable data in an event of data loss, you can take help of a reliable third party Undelete Software. These software have an interactive user-interface that makes the undelete process simple and easier for even the non-technical user.

Stellar Phoenix Windows Data Recovery is an advanced and highly secure tool that comes across with a handful of new additional features to undelete all Windows file in any instance of data loss. It is compatible with Windows 7, Vista, Server 2003, XP, and 2000.

Related articles

• Windows Vista Service Pack Installation Fails with Error 0XC0190036
• Fixing “Disk Read Error” while Migrating to Windows 7
• How to Solve 'Unknown' Partition Issue in Windows?
• Resolving “Windows has recovered from and unexpected shutdown” Windows 7 Error
• How to Rectify “STOP 0x00000001” Error in Windows Vista?
• Windows 7 Disk Corruption Issues Post Attempting to Install Drivers

Linux data recovery post MBR corruption

When you start your Linux machine, the very first thing that occurs is hardware initialization. After this, GRUB loads from Master Boot Record of hard drive based on the configuration.

You may see boot menu showing all operating system in the list from that you can start system or initialize Linux kernel. In case you do not observe such behavior, the problem can be related to MBR or GRUB. In such situations, you may need to format the disk and perform data recovery Linux.In a practical scenario, you may fail to boot your Linux based computer when you install the Windows OS on the same machine. This behavior makes all your precious data inaccessible from Linux disk.

Root Cause
This problem usually occurs if the MBR gets overwritten. It makes your Linux system unbootable. The problem may occur when you install Windows operating system on a disk that has Linux operating system already installed.

Resolution
Try the following recovery methods to fix this problem-
Boot your system using Linux Rescue CD or installation disk. Enter the disk and use the following command on boot prompt-
root=/dev/hdXX. Here 'hdXX' is boot partition of the disk.
Format the hard drive and reinstall the Linux operating system. This behavior removes all your significant data from the drive and thus requires Linux file recovery to be fixed.
Restore your valuable data from the most recent backup. It is the best Ext3 recovery method. However, you must have an updated backup to ensure absolute recovery.
Use Linux data recovery software. The Ext4 recovery applications are capable of fixing all data loss situations.

Linux data loss due to root directory corruption

Linux is a new age OS  made of various data structures. Among all other data structures and components of Linux machine, root directory is the most important one. It is the base of data storage method in Linux operating system. However, in some situations, the root directory may get damaged and data loss situations occur. At this point of time, you are required to opt for Linux recovery solutions. 

More about root Directory
Root directory is initial point of Linux hard drive, from where operating system starts looking for files stored on hard drive. Every file and folder on Linux system has an entry in the root directory. Linux root directory is divided into various subdirectories, which are arranged in hierarchical format.

There are numerous reasons of root directory corruption in Linux operating system, such as virus infection, improper system shutdown, operating system malfunction, accidental deletion, and hardware crash. You may face strange behavior of Linux operating system and may encounter error messages similar to the following ones after root directory corruption-

“No such file or directory”
System becomes unbootable
System fails to create or delete files and folders

Resolution

In order to solve this problem and perform data recovery Linux, you need to attempt the below methods-

Scan your Linux hard disk using fsck command. Run this Linux command in the single-user mode, without mounting the file system. It is an inbuilt command of Linux Machine that scans the file system for defects and then attempt to fix them.

Format Linux hard drive and reinstall the operating system. Formatting is capable of fixing all the hard drive errors. However, it leads to severe data loss.
Restore your precious data from an updated backup. In order to ensure absolute Linux recovery, you must have a valid and current backup.
Perform data recovery using advanced Linux data recovery software.

How to Resolve Windows Booting problem due to NTLDR damage?

New Technology Loader (NTLDR). NTLDR is a special program which finds application in loading other software and files that are required to start the computer. Damage of NTLDR can cause inaccessibility with the computer and you receive various error messages, such as:

“NTLDR is Missing. Press any key to restart.”

“Boot: Couldn't find NTLDR. Please insert another disk.”

or

“NTLDR is missing. Press Ctrl Alt Del to Restart.”

Prompting of these error massage signifies error in or loss of your critical data.

However, this problem can be resolved by conducting certain resolution operations. If the computer still denies accessibility, third party Windows data recovery software can recover back your data.

Causes:

The damage of NTLDR are caused due to some of the prominent reasons that include the following:

• Booting the computer from a non-bootable source

• When BIOS does not contain proper setup of hard disk drive

• Corruption of NTLDR and NTDETECT.COM file or corruption of either of them

• boot.ini file is not properly configured

• Addition of new hard disk drive

• Corruption in boot sector or master boot record (MBR)

• Corruption in Windows 2000 or Windows XP

• Loose or Faulty IDE/EIDE hard disk drive cable

Resolution:

The problem with NTLDR is in many cases tackled by restarting the computer. However, this is just the preliminary step to handle such problem. Some of the resolution methods for the above described reasons of NTLDR damage are as follows:

Booting the computer from a non-bootable source

Check that there is no floppy disk or CD in the computer, other than the one used to boot the computer. Also make sure that that no memory stick is inside the computer. Further, disconnect all external storage media such as USB drives, cameras, ipods, and iphones from the computer.

When BIOS does not contain proper setup of hard disk drive

Check that the hard drive is properly setup in the BIOS

Edit boot.ini file is not properly configured

1. Edit boot.ini file on root directory of the hard disk

2. Ensure that boot.ini is pointing to the correct location of Windows operating system

3. Check that the partitions are properly defined

Addition of new hard disk drive

Make sure that the new hard disk drive is a blank drive.

Corruption in boot sector or master boot record (MBR)

If the MBR is corrupt, run the commands; 'fixboot' and 'fixmbr' through the Microsoft Windows Recovery console.

Corruption in Windows 2000 or Windows XP

Reinstall Microsoft Windows 2000 and Windows XP.

The above described approaches can resettle the problems of NTLDR damage. Any how, the problem may persist even after following the above described steps. In such conditions, you can approach for third party windows data recovery software.

Linux Data Recovery after Hard drive formatting

Many Linux users take hard drive of the computer as a permanent storage And hence never bothers about taking backup of all their critical data. However, apart from strong firewalls, anti-virus software and other techniques through which data safety can be taken care of, no one can say that data stored in its system is fool proof.

Therefore, incidences like file system File corruption, malware infection or etc. can corrupt you machine any time its quiet often seen that the major cause of data loss is due to human error and that part we can not do much about it happens that we may some times knowingly or unknowingly format our hard drive Leaving us in the situation where all our critical data is lost Under all such tragic instances of data loss, Linux Drive recovery can help you recover your lost data back.

Data loss due to hard drive formatting is simply the most avoidable reasons and many of us are unaware of the fact that the data never gets permanently lost until that is being overwritten. Hence, with the help of any  Formatted Linux data recovery software, you have an good chance of recovering all the formatted data from your Linux machine.

There can be a number of reasons/situations, which may Compel you to format your hard drive. Below mentioned ones are some of the prominent ones:

1) OS crash and inaccessibility leaves no other means except formatting and fresh installation etc.
2) Unable to solve the file system corruption.
3) Accidental formatting while rectifying problems with Linux system disk.
4) Formatting of the system while operating system up-gradation.
5) Deletion of necessary system files propelling to format and re-installation of OS.

After formatting, all your data gets erased from the drive and if you have taken any backup in the past, you can be able to restore the data from the valid backup. However, if there is no valid backup available or due to any unresolved reason, you failed to restore the data from the backup, you have to try running any data recovery Linux data recovery tool to recover your seemingly lost data back.

How to recover linux data after disk corruption

In a practical instance of the  Linux drive structure corruption in Fedora Linux OS, you may encounter the below error message when you reboot the Fedora operating system-based computer after it freezes at during boot up process-

"EXT-fs: dm-0: couldn't mount because of unsupported optional features (2000200)
mount error 22 - mounting ext 3"

Subsequent to the above error message, you might get further error message that says-

"kernel panic - not syncing: Attempting to kill init."

After this error message, Fedora OS cannot detect and access Linux hard disk volumes when you try to perform Linux disk recovery using Linux Rescue CD. When you try mounting the disk manually, it says that the disk has invalid arguments and thus it cannot be mounted.

Root cause of the problem

As mentioned above, this problem happens due to corruption to the logical structure of the Linux hard disk. It may also occur if drive data structures, like Superblock and file system, are damaged. Corruption might be the outcome of virus infection, OS malfunction, and other similar reasons.

Solution

Use any of the below Linux recovery solutions to sort out this problem-
Boot your Linux Machine using the Rescue CD and then run pvscan command for checking the logical volumes.
Run fsck -C -y /dev/hdXX command.

If none of the above file recovery methods work, you are required to format the disk and reinstall OS.
 

Although, formatting can fix all disk related problems, but it also cause serious data loss. In such situations, Linux File recovery software are required to recover lost data after formatting.

Linux File system Error and Recovery Option Available

Like other computer OS, Linux also uses a number of data structures to perform various operations. These data structures include root directory. Superblock is one of the most significant data structures, which contains all the basic information, such as file system type, status (either mounted or un-mounted), and size. In some situations, this data structure may get damaged and Linux cannot access data from hard drive. It causes critical data loss situations and requires Linux file recovery to be fixed.

Linux file system manager accesses the Superblock information for maintaining it. All the parameters, like size, defined in the Superblock must match the actual parameters; otherwise you may face critical problems. For example, if the size of is different in Superblock as compared to actual size, then disk is reported as corrupt and you run across critical data loss problem and need to opt for Linux recovery solutions.

As a practical instance of this issue, you might get the below error message when you try to access data from a Linux OS based hard drive-

"The filesystem size (according to the superblock) is xxx

The physical size of the device is yyy."

The above error most frequently occurs when you try to repair Linux files using the fsck command. The above error suggests that the file system size is mismatching and the partition is damaged.

Cause

You may come across this behavior in Linux OS, if any of the below conditions are true-

An application or the system is attempting to write data on hard drive where Superblock is located. The problem occurs when Linux OS prevents the application from writing.

The hard drive volume is damaged.

The file system, partition table, or the Superblock is damaged.

To perform data recovery Linux in such cases, you need to resolve this issue as soon as possible.

Resolution

Try out the below Linux data recovery methods to work around this behavior-

Boot your system in the single-user mode.

Run unmount -a command to unmount disk volumes.

Try repairing the Linux volumes using fsck command.

Resize Linux volumes with the help of resize2fs command.

In case the above Ext2 recovery solutions fail to work, opt for Linux data recovery software to extract your precious data. Such Linux recovery applications perform absolute data recovery Linux using advanced scanning techniques. They offer safe and easy Ext3 recovery.