most likely a gtk qt engine thing. have you tested if this still happens on kde4?
** Changed in: gtk-qt-engine (Ubuntu) Sourcepackagename: firefox-3.0 => gtk-qt-engine ** Changed in: firefox-3.0 (Ubuntu) Sourcepackagename: gtk-qt-engine => firefox-3.0 Status: New => Triaged ** Also affects: gtk-qt-engine (Ubuntu) Importance: Undecided Status: New -- firefox-3.0b5 received an X Window System error: 'BadIDChoice' https://bugs.launchpad.net/bugs/220628 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