The problem also happens here and I do not have the Flashblock add-on installed.
Firefox 11.0 on Precise. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/635023 Title: firefox plugin-container using 99% CPU - overheating and lock-up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/635023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs