That definitely sounds like KB5101650 has introduced some sort of graphics or video decoding issue.
The fact it happens in Chrome and Firefox, stops when you uninstall the update, then comes back after reinstalling it is a pretty solid indication the update is the cause rather than Reddit or...
So there is none for Windows 11 forum? Are you saying I should post there in Windows 10? I am not registered there.
It says on registration page:
The site is for Windows 10 only!
Looking for help with Windows 11? You need to go to our Windows 11 site - Windows Eleven Forum
https://www.neowin.net/news/kb5084597-microsoft-outs-windows-11-25h2-24h2-emergency-update-for-a-critical-network-flaw/
but I don't see it in WU my last update was
KB5079473
Well I did a clean install of windows , still had problems because screens went blank during installation process. I unplugged my main monitor and it proceeded as normal.
Updated windows 11 now no screen just blank
Two preview releases appeared today in WU. updated and rebooted now both my screens are blank there was no updating in process message with a per engage as per usual ..I rebooted same thing. I don't know what to do. I back up in external SSD...