I have similar problem with both drop down boxes and context menu on Natty and Oneiric. I figured out that open and close the preference windows fix this weird behavior.
How can we investigate this issue? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/785195 Title: Right click with mouse opens context menu, but it disappears on moving the cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/785195/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs