

@Dave , darn that is weird. Uninstall, reinstall?
Waterfox? (running out of ideas).
(pi-hole instead of ublock)
When you stop hardware acceleration you have to quit the browser and open it again for it to be effective. Also:
https://www.reddit.com/r/uBlockOrigin/comments/vj5r67/ublock/_origin/_completely/_blows/_up/_pc/_on/
@Dave @mjsaber , regarding electronics, be aware that anything connected to the grid needs to be 240V AC.