Reference number: CH000830

Microsoft Windows STOP 0x0000007F error.

Issue:

Microsoft Windows STOP 0x0000007F error.

Additional information:

This error may be or resemble any of the below error messages.

STOP 0x0000007F (0x000000XX, 0x00000000, 0x00000000, 0x00000000) UNEXPECTED_KERNEL_MODE_TRAP

*XX in the above example could be any two-digit number.

STOP 0x0000007F (UNEXPECTED_KERNEL_MODE_TRAP)

Solution:

Windows 2000 and Terminal Services / Remote Administration issue

If you're running Microsoft Windows 2000 and Terminal Service when this issue is encountered Microsoft has confirmed this to be a problem and has released a hotfix to resolve it you can find the solution and hotfix by searching for 'KB 838804'.

Reboot computer

This error can be caused by various types driver related issue and other software glitches that can often be resolved by simply rebooting the computer. If this is your first time encountering the error first try resolving it by rebooting the computer.

If this fixes the issue we suggest you refer to the below 'Update drivers and windows' section if the issue is encountered again in the future.

Close other applications and background programs

This error can be encountered because of conflicts between one or more open programs running on your computer. If you're encountering this error in a software program make sure to close all other programs and background programs (TSRs) and run the program again to see if this error is encountered. Additional information and help with doing this can be found on document CHTSR.

If this resolves your issue try to determine what other program is causing this issue by rebooting and repeating the above steps one program at a time. Second, make sure the program generating the error and the program causing the errors has no software updates available for it. Finally, if this resolves your issue we also suggest that you update your drivers and Windows  as mentioned below.

Update drivers and Windows

Driver related issues could also cause this issue. Make sure you have no driver related issues by checking Device Manager for errors and conflicts. See document CH000833 for information about getting into Device Manager.

If no errors are found in Device Manager we suggest updating drivers for any hardware related to the program you're running. For example if this error is being encountered while burning a CD make sure  you have the latest drivers for your CD burner. If no hardware is associated with the program generating this error we suggest updating you video drivers. Additional help and links to all the major hardware manufacturer driver pages can be found on our driver section.

Finally, make sure you have all the latest Windows updates and service packs. Help and information about Windows updates can be found on document CH000545.

Malfunctioning or bad computer memory

This issue can also be caused by bad memory. Additional information about how to test your computer's memory can be found on document CH000708.

Other hardware related issues

If all of the above recommendations do not help locate or resolve this issue you may have another hardware related or serious software issue. To help determine if this is a hardware issue our next recommendation for this error would be to erase the hard disk drive and reinstall Windows. Additional information and help with doing this can be found on document CH000186.