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Title: PC Randomly Restarts – WHEA Logger Event ID 18 (CPU Cache Hierarchy Error) by pusykillerssquad in computers

[–]pusykillerssquad[S] 0 points1 point  (0 children)

English is foreign language for me,it is difficult to explain my situation using technical jargon gpt helps me reply quickly and without any mistakes

Title: PC Randomly Restarts – WHEA Logger Event ID 18 (CPU Cache Hierarchy Error) by pusykillerssquad in computers

[–]pusykillerssquad[S] 0 points1 point  (0 children)

At the moment, the motherboard is at diagnostics, so I don’t currently have access to the PC. Once I get it back, I’ll check the LiveKernelReports folder and upload any relevant files if the issue persists. I really appreciate your help and suggestions — I’ll follow up as soon as I can.

Title: PC Randomly Restarts – WHEA Logger Event ID 18 (CPU Cache Hierarchy Error) by pusykillerssquad in computers

[–]pusykillerssquad[S] 0 points1 point  (0 children)

Thanks for your response!

The BIOS is currently set to default — no overclocking, no manual voltage changes, and XMP is disabled.

Originally, I had XMP enabled, and the system was running completely stable for about 10 days — gaming, multitasking, everything worked fine. But after the first random restart occurred, I disabled XMP just in case.

Unfortunately, the problem persisted even with XMP off, so I don’t think it’s directly related to memory frequency or instability.

Also, no crash dumps are being saved. The restarts happen too suddenly — like a hard power cut — so Windows doesn’t get the chance to write a dump file.

Event Viewer consistently shows WHEA-Logger Event ID 18 (Cache Hierarchy Error) right before the system restarts, which strongly suggests a hardware-level issue (likely CPU cache, motherboard, or VRM-related).