Please do in the Terminal (Applications>Accesories>Terminal) and copy here the output of the next command (for fixing the problem):
sudo dpkg --configure -a Thank You for making Ubuntu better. ** Changed in: firefox-3.5 (Ubuntu) Status: New => Incomplete -- E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. E: _cache->open() failed, please report. https://bugs.launchpad.net/bugs/525472 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs