I can reproduce at least one incarnation of this bug by opening software-center and closing it via the window-close button really quickly. Subsequent runs of software-center will then fail to load because the first one did not properly exit.
** Changed in: software-center (Ubuntu) Milestone: None => ubuntu-12.04 ** Changed in: software-center (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. https://bugs.launchpad.net/bugs/772549 Title: software-center blank screen on fresh natty 11.04 install Status in “software-center” package in Ubuntu: In Progress Bug description: Binary package hint: software-center WORKAROUND 1: Type the following into a terminal: killall software-center -- or -- WORKAROUND 2: Reboot your computer. After that, Software Center should launch normally (if it does not, please also report that here, thanks!). --- I just installed ubuntu natty 11.04 on my machine. I tried to install 4 apps with software center (7zip, vlc, flash and restricted-extra), and software center freezed. I closed it, restarted it, and the problems began... Now if I open it it just doesn't show anything (see screenshot). WORKAROUND: Reboot your computer. After that, Software Center should launch normally (if it does not, please also report that here, thanks!). ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: software-center 4.0 ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2 Uname: Linux 2.6.38-8-generic i686 Architecture: i386 Date: Thu Apr 28 20:25:00 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) PackageArchitecture: all ProcEnviron: LANGUAGE=en_US:en LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: software-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/772549/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp