When I click uninstall in add/remove software… I wait… and wait… and just for sure waits some more… But no window ever pops up or anything, so I cant uninstall >:(
Welcome here.
I’m guessing you mean Avast won’t un-install?
We might need some more information as you have posted here
Maybe you can uninstall using AvClear (http://www.avast.com/files/eng/aswclnr.exe).
Why you are receiving this error message is what I can’t imagine…
Do you have any other antivirus installed in your system?