This is easy to reproduce. Right clicking an Adobe Flash plug-in causes Firefox to hang until npviewer.bin is killed. Toggling the value of dom.ipc.plugins.enabled as suggested by ToniTC works.
Not being able to click on built-in dialogues is probably a separate issue. To work around the bug, you have to disable compiz (no special effects under appearance settings). -- flash 10.1 and nspluginwrapper hang on right click https://bugs.launchpad.net/bugs/592492 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
