I had the same problem! Then I just started the launchpad in the terminal with: ubuntuone-control-panel-qt and it works just fine till now. I know it does not solve the bug itself, but this is the first forum post you'll find googling the bug, so I think it will be nice to find a way to avoid it.
:) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1008795 Title: Ubuntu-one fresh install: AttributeError "'NoneType' object has no attribute 'stop'" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntuone-control-panel/+bug/1008795/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs