Finally got there, thanks to your advice. Now have the newer Ubuntu desktop, etc. and it seems more stable. Firefox wakes up at once, the windows have stopped disappearing down a black hole at the bottom of the screen - and now minimise properly. I am most grateful to you, Leo. Cheers, Piers.
-- windows disappear when minimised https://bugs.launchpad.net/bugs/587581 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