Weirdly the problem occurs to me on my laptop as well. Using the Check button, and Install Updates again, rebuilds the cache and also works around this bug.
This is from a fresh install of Ubuntu 9.04 Beta, using the Update Manager GUI. apt-get update was *not* run before the GUI, nor had the update-notifier even appeared yet. -- E: The package cache file is corrupted E: _cache->open() failed, please report. https://bugs.launchpad.net/bugs/257639 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
