Hi, I've un-installed these (wasn't using them much anyway), and removed those entries from the sources.list.d, but still get the same "download failed" error
One other thing I see from the software updater is this:
..I this something else stuffing things up, and how could I correct it?
This repository does not have a Jammy release file:
I checked the rest and they all do.
Brave Browser has a manual method of adding the key and repository, which you may recall when you installed it. This may be an issue, and you might consider removing Brave and the Brave repo temporarily just to save yourself some headache until after performing the upgrade.
Ok folks, I removed the pulseaudio package and brave, but same error; as they say in medical dramas, "it's 09:41, and I'm calling it..." I'll just do a fresh install and hope the next time I need upgrade it'll work...