STOP Error Message - After You Connect a Scanner to Your System

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 0x50 (0xfe9fb004, 0x00000000, 0xfdfbc695, 0x00000000) 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.

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.