0x000000FC_
Attempted Execute Of Noexecute Memory
Seeing 0x000000FC on Windows 10/11 means the OS detected "Attempted Execute Of Noexecute Memory". Before reinstalling anything, work through the steps below — the fix is often simpler than it looks.
What Actually Happened
Windows kernel halted due to: the CPU's DEP (Data Execution Prevention) blocked code from running in a non-executable memory region.
Symptoms
Blue screen appears with stop code ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY
Common Causes
- Kernel condition: the CPU's DEP (Data Execution Prevention) blocked code from running in a non-executable memory region
- Outdated or conflicting third-party driver
- Overheating or failing hardware (RAM/SSD)
How to Fix It
-
01
Boot into Safe Mode and roll back recently installed drivers
-
02
Run memory diagnostic:
mdsched.exe -
03
Run system scan:
sfc /scannow && DISM /Online /Cleanup-Image /RestoreHealth
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Root Cause Breakdown
Stop code ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY (0x000000FC) triggered a bugcheck to protect memory integrity.
Should You Worry?
Urgent. Save work frequently to avoid data loss.
Power-User Tip
Check minidump logs in C:\Windows\Minidump to identify the failing .sys file.
Software fix: $0; Hardware replacement: $50�$250