Unmountable Boot Volume Blue Screen

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The configuration manager in Windows XP or 2000 operating system enables you to manage multiple installations in your system. Furthermore, it saves your time and energy to locate any specific component in your computer. However, you might encounter a STOP error message while attempting to start configuration manager. The various reasons responsible for the occurrence of a STOP error message can be unauthenticated hive data, software bugs and more. In such situations, the data saved in the hard drive becomes inaccessible. To recover the inaccessible data, you need to restore it from the latest backup. But if you have not created any backup of the lost data, then you need to recover the lost data by using powerful Data Recovery Software

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As a practical instance, you may encounter any of the below error messages when you attempt to start Configuration Manager on either a Windows XP based computer or on a Microsoft Windows Server 2000 based server:

“STOP 0×00000051 (0x0000000c, 0xc0000005, 0x????????, 0x????????)”

Or

“STOP 0x0000001E {0xc0000005, 0x8046c40e, 0×00000000, 0x????????}”

The “?” in the above error messages signifies the variable value.

After the above STOP error message appears, all the files and folders stored in the hard drive become inaccessible.

Cause:

The above error message mainly occurs when Configuration Manager does not properly verify hive data. A hive data is a logical collection of values, keys and sub keys in the computer registry, which contains a set of supporting files holding backups of its data. When the above issue occurs, a wrong list value may be returned if the list count is zero (0).

Resolution:

To resolve the above error and access the data, you need to follow these steps:

For Windows XP based computer, you need to obtain the Hotfix solution provided by Microsoft. For Windows Server 2000 based server, you need to obtain the latest service pack for Windows 2000.

If you still receive the same error message in any of the operating systems in the absence of updated data backup, you need to recover the inaccessible data by using advanced PST Recovery utilities. Such recovery software offer complete Data Recovery from a logically corrupted hard drive by using advanced and effective scanning algorithms. These utilities provide user friendly interface, which makes these applications easy-to- understand and implement.

Stellar Phoenix Windows Data Recovery is the most powerful Data Recovery application that can recover data in all cases of software level corruption. This Data Recovery Software natively supports more than 300 file types. It supports FAT16, FAT32, vFAT, NTFS and NTFS5 file systems. It is compatible with Windows Vista, XP, 2003 and 2000.

A STOP error message in Windows XP primarily occurs due to file system damage, metadata structure corruption, MBR (Master Boot Record) malfunctioning, malicious software like virus and more. Once you encounter the STOP error message, the operating system stops functioning making all the data stored on hard drive inaccessible. In such situations, backup acts as a boon to restore your lost data. However, if you have not maintained any backup or backup fails to restore the desired data, then you need to opt for advanced file recovery utility that can systematically recover the lost data.

As a practical case, you encounter the below error message when you attempt to start Microsoft Windows XP after you use the parallel port to connect a Hewlett Packard (HP) ScanJet 4400 or 4470:

“STOP: STOP 0×50 (0xfe9fb004, 0×00000000, 0xfdfbc695, 0×00000000) A fatal system error has occurred.”

The four parameters in the above error message differ with system’s configuration

After the above error message appears, the system becomes unmountable and the data stored on the hard drive becomes inaccessible.

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Cause:

The above error primarily occurs when HP scanners that do not have a Device ID ROM report an invalid Device ID string when they are queried for a Device ID. Because there is no validation of the device reported ID string length in the driver, the driver reads bytes from the device and overwrites Kernel memory until the memory corruption causes the system to stop responding.

To prevent the occurrence of the above error message, you should connect the scanner to the USB (Universal Serial Bus) port on the computer.

Resolution:

To resolve the above error message, you need to follow these steps:

Obtain and install the latest service pack of Windows XP.

Apply the Hotfix solution provided by Microsoft

Restart your system

If you encounter the same error message after restarting your system, then you need to go for a clean reinstall of Windows XP. A clean reinstall will erase all data from the selected hard drive partition. To recover the lost data from a formatted hard drive partition, you need to opt for efficient partition recovery software. These partition recovery utilities use advanced scanning algorithms to recover lost data. Built with highly graphical user-interface, these data recovery utilities serve as self-explanatory tools.

Stellar Phoenix Windows Data Recovery is a powerful File Recovery application. The software provides absolute recovery of lost data from corrupted, deleted, formatted or lost hard drive partitions. It supports 185 different file types that can be further extended. The tool is compatible with FAT16, FAT32, VFAT, NTFS and NTFS5 file systems. It supports Windows 7 (Currently in RC1), Vista, XP, 2003 and 2000.

Also known as Blue Screen of Death, STOP error messages occur when Windows encounters a serious problem. These STOP error messages literally stops booting process of Windows and makes the hard drive data inaccessible. In order to prevent data loss, you should always maintain an updated and valid backup to restore your data. However, if you have not created any backup file or the backup file itself gets corrupted, then only a powerful Windows Data Recovery Software will ensure complete recovery of your lost, missing, and inaccessible data. To illustrate this, consider a case where you receive the following error message during upgrade to Windows XP, or when you start Windows XP: “STOP 0x000000ED (0xaaaaaaaa,0xbbbbbbbb,0xcccccccc,0xdddddddd) UNMOUNTABLE_BOOT_VOLUME” The above mentioned error message makes your system unbootable, and can further make the data stored in the hard drive inaccessible. In addition, you encounter the same STOP error message every time you attempt to start your Windows XP system.

Cause:

The above STOP error message can occur due to following reasons:

Kernel mode I/O subsystem attempt to mount the boot volume. Incompatible software or hardware resources.

Resolution:

To resolve the above STOP error message and access the data stored in your hard drive, following steps need to be taken:

Try repairing the volume by using chkdsk / r command. Check the cable and load Fail-Safe settings. Use Microsoft Support Services.

The above resolutions enable you to resolve the issue in most of the situations. But if in case the problem persists, you will need to reinstall Windows XP. A clean reinstall of Windows XP erases all the data saved in the hard drive partition. To recover data from formatted hard drive partition, you will need to to use an advanced Windows Partition Recovery application. Such Windows Data Recovery tools use fast scanning algorithms to quickly scan your hard drive, and provide effective recovery of your missing data. The high graphical user interface of these tools makes them easy to use and understand.

Stellar Phoenix Windows Data Recovery v4.1 is an outstanding Windows Data Recovery utility that ensures safe, secure, and accurate recovery of your lost data from FAT32, VFAT, NTFS, and NTFS5 file systems based volumes. The read only application also provides you with various advanced features like, Disk Imaging, Disk Cloning, Drive Status, and more. This software supports Windows 7 RC1, Vista, XP, 2003, and 2000.