Windows 10: Pc, programs crash.

I experienced twice a sudden unwanted restart of my pc. Windows reporting said blue screen error. Didnt see a blue screen though.My pc always have been prone to crashes. But now its with everything, all the time. This are the thing i experience last month.- 2 unwanted pc restarts- pickups on start. Like unable to enter passwords.- browser crashes- Program crashes.- game crashes- dism and sfc scanow scans that often fail.- alot of other random thingsEitherway my pc is infected or has some terrible issues. Did a offline defender scan. And tried the msert safety scanner. But this also closes when

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all games crash!

I suggest you run rthdribl > http://www.daionet.gr.jp/~masa/archives/rthdribl_1_2.zip
Increase the window size step by step and watch your vga temps permanently.
What happens?
If it crashes, run at stock speeds as suggested before and retry.

P.S.: When your system locks, does the display signal turn off after a time?
Stuttering sound or no sound at all when freezing?
What X1800XT model do you own exactly?

 

Why did the startup window get cleared?

I didn't missed any step, the list was gone and gone , even after using lot of programs the programs were not listed in that list.

 

all games crash!

ive watch my temps and both the cpu and gpu are within normal ranges. when it freezes it simply freezes the image and stops the sound. i must reboot to get back to windows.