i have optiplex 210l, have added, on separate sata drive, ubuntu 10.04. primary drive has xp-pro sp3 on it, , set dual boot. installed ubuntu via minimal install cd, , added gnome desktop, , apps wanted, went along. machine has intel integrated graphics, , have been able set compiz no problems, in "extra" setting on system->preferences->appearence dialog. however, overnight, system reverts metacity, apparently on own. leave system on, , logged in. when wake display find compiz has "left building." there can @ see going on? there type of monitoring can turn on learn why compiz quitting? in advance comments , help. started using ubuntu in last few weeks. love how more responsive old machine has been, , how more readable display aging eyes. steve g have @ file named .xsession-errors in home folder. though, best debugging practise. delete , recreate blank file in...