How Do I Fix the EXCEPTION_ILLEGAL_INSTRUCTION Error on Windows 11?
Hi everyone,
I recently encountered the EXCEPTION_ILLEGAL_INSTRUCTION error on my Windows 11 PC. The system sometimes crashes or a program stops working unexpectedly, and I’m not sure what causes it. Has anyone else faced this issue?
What are the safest ways to fix this error without risking my files or system stability? Any step-by-step guidance would be appreciated.
Thanks in advance!
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The EXCEPTION_ILLEGAL_INSTRUCTION error happens when a program tries to run a CPU instruction your processor doesn’t support, or due to corrupted software, drivers, or malware. To fix it safely, first back up your important files. Then update Windows and drivers, scan for malware, and reinstall any program that crashes. You can also repair Windows files by running sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth in an administrator Command Prompt. If the problem persists, reset BIOS settings to default, try a clean boot, or as a last resort, reset Windows 11 while keeping your files.