Can't reinstall or update the uploader for three months now

I constantly get the following error.
I’ve tried so many different solutions, from cleaning my registry, to reinstalling air, and restarting my computer several times. I figured I’d give up and come back later because maybe it was a problem someone else would discover and solve, but it’s still there, and topics are either outdated or unsolved. So I’m gonna report this bug, and hope I can get some help.

Interesting. That worked this time, but when I tried that solution a month ago it didn’t work.

But at least it worked this time.