Hey, I‘m using KDE and had that problem, too. I rather by chance changed something in the window rules for firefox and voilà, the window reappeared when starting firefox! So I‘m happy now. Hope this will help you too.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242262 Title: Kubuntu: Firefox running but not visible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1242262/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs