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PAGE_FAULT_IN_NONPAGED_AREA

Windows looked for data in memory that should always be there and did not find it. Causes: a bad driver, faulty RAM, or antivirus.

How to fix it

1. Undo any recent driver, antivirus or hardware change.
2. Run Windows Memory Diagnostic or MemTest86.
3. Run the repair commands:
4. Open Command Prompt as administrator (search "cmd", right-click, Run as administrator).
5. Run: DISM /Online /Cleanup-Image /RestoreHealth and wait for it to finish (it can sit at 20% for a while).
6. Then run: sfc /scannow
7. Restart the PC.
8. Check the disk: chkdsk C: /scan

Is it serious?

Software in most cases. Replace RAM only if the memory test shows errors.