just delete ~/.cache/software-center/software-center-agent.db/ by opening a terminal (CTRL+ALT+T) and typing:
sudo rm -fr ~/.cache/software-center/software-center-agent.db/ ** Changed in: software-center (Ubuntu) Status: Confirmed => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/879847 Title: Ubuntu Software Center takes a long time to open To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/879847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs