Q137539 General Causes of STOP 0x0000007F Errors.
You may receive get the error on Windows:
”STOP 0x0000007F (UNEXPECTED_KERNEL_MODE_TRAP) “
This can arise if the either of following circumstances arise:
>Computer has hardware/software issues
The STOP error above is due to a trap having occurred in kernel mode. The most common causes of ‘STOP 0x7F’ are:
>Low-level hardware corruption (corrupt memory)
To determine an approximate cause, examine the parameters at the top of the STOP screen:
**STOP 0x0000007F (0x000000XX, 0x00000000, 0x00000000, 0x00000000)
The most important parameter is the first (0x0000000X) which can contain various different values. This occurs depending on the value of the parameter. Traps that cause a ‘STOP 0x7F’ are found in the Intel x86 microprocessor manual.
Here are some of the most common ones:
Use the appropriate method to resolve this error:
• If any software/hardware causes a certain trap then a debug can determine the cause. To troubleshoot hardware problems you can try the following:
1. Test your RAM by running diagnostic software. Replace any RAM which is diagnosed as faulty or malfunctioning. Also ensure the RAM is the right speed.
2. Swap or remove controllers, cards etc.
3. Change the motherboard.
5. Check for any updated hardware drivers or BIOS updates for your
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