Resolving “STOP: 0x00000072” Error message in Windows

Published: 17th June 2009
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STOP error message in Windows operating system means that your system has been corrupted due to hardware or software issues. In most cases of a STOP error message, the hard drive becomes unmountable making all the data saved in the hard drive inaccessible. To overcome these data loss scenarios, an ideal solution is to restore the data from a latest backup. However, in case of no backup availability or backup failing short to restore the desired information, you need to opt for advanced Data Recovery Software that ensures complete recovery of data. You can restore and recovers the lost data from hard drive through file recovery software.

Consider a practical example, you encounter the below STOP error message when you attempt to boot your Windows XP system:

"STOP: 0x00000072 (parameter 1, parameter 2, parameter 3, parameter 4) ASSIGN_DRIVE_LETTERS_FAILED"

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

Data stored in the hard disk becomes inaccessible after the above error message appears. In addition, you encounter the same error message each time you attempt to boot your system.


Two main causes for the occurrence of the above error message are discussed below:

• Device driver bug

• Drive letter assignment failed


To resolve the above STOP error message and access the data, you will need to take these actions:

• Remove the new hardware (especially the chipset and video drivers) and reboot your system

• Increase the RAM (Random Access Memory) and disk space of your system

• Confirm the compatibility of the hardware and drivers by using Microsoft Hardware Compatibility List (HCL)

If all the above actions are unable to resolve your issue, then you need to use Emergency Repair Disk. However, if you do not have the disk, then you need to perform a clean reinstall of Windows. A clean reinstall will erase all the data from the selected hard drive partition. To recover your data from a formatted hard drive, you need to go for powerful data recovery software. These Data Recovery utilities use high end scanning mechanisms to recover lost data from a formatted hard drive. Built with intuitive user-interface, automated recovery procedure and powerful features, these applications are as easy-to-understand and implement.

Stellar Phoenix Windows Data Recovery is the foremost Data Recovery utility. It recovers lost data from corrupted, deleted, formatted or lost hard drive partitions and volumes. The software supports 185 different file types. It is compatible with FAT32, VFAT, NTFS and NTFS5 file systems. The software supports Windows 7 (Currently in RC1), Vista, XP, 2003 and 2000.

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