I've experienced this as well, when switching using the tasklist applet in the panel. Alt- tab usually works fine. Something less annoying than a full reboot is Alt-SysRQ-K, since ctrl-alt-backspace did not work.
I've experienced this as well, when switching using the tasklist applet in the panel. Alt- tab usually works fine.
Something less annoying than a full reboot is Alt-SysRQ-K, since ctrl-alt-backspace did not work.