Windows 10: Windows 11 General Sluggishness/Crashes

My Windows 11 PC has recently started to exhibit strange behaviour across a wide range of applications. My primary use for the pc is photo editing with Lightroom and Photoshop CC with the Cloud Subscription. I am getting frequent crashes and sluggishness of applications and not just with the aforementioned applications but also with others. I have run sfc/scannow and DISM which have not turned up any errors and all applications and drivers are up to date I think. I have anti-virus software installed and this has not identified anything suspicious. I was wondering whether someone might advis

:)

 

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?

 

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.

 

Sluggish laptop -- any suggestions?

Hm. That's... interesting. Last month I reported on a problem where Windows hung, and Reliability Monitor showed a "Hardware error" and a bunch of errors from dwm.exe and Desktop Window Manager. Today it happened again. Last month it happened on 11/29, today is 12/29. Coincidence? Seems unlikely, but... It did NOT happen at the same time.

Last month's V2 is here: Sluggish laptop -- any suggestions?