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Drivers & Software

Journeyman III

Ryzen 5 56600 + Radeon 6800XT Constant restarts when idle

I have been using my new PC with Ryzen 5 56600 + Radeon 6800XT since beginning of December and was very happy with it. All components are brand new . However since a few weeks my PC constantly crashes when idle or when just browsing the internet but it DOES NOT crash when playing any game. So basically I can now just use my PC for gaming and not for any normal light weight usage. 

In event viewer I keep on seeing this WHEA error pop-up:  EVENT 18

A fatal hardware error has occurred.

Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Cache Hierarchy Error
Processor APIC ID: 10

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Any idea what's causing this and how to fix it? it's really annoying!

Thanks for any help.