hello, downloaded on 26th new lts 12.04. , have found dual monitors setup works perfectly. having issues though. 1) everytime try open libre office, freezes instantly. don't see of bar go across. left 20 minutes first time happened, thought maybe first time setup issue. no, everytime start libre freezes. tried start gimp now, , froze up. have been having lot of freezing issues since new install. did not upgrade, installed fresh full lts 12.04 64 bit. have run apt-get update, apt-get upgrade, etc, , still have issue. sure little, not familiar enough ubuntu know wrong. appreciated, started practicum today finish off university. find locking/ freezing when ever open new program. have 12 gigs of ram, ram not issue. happens when have nothing running, or pile of things running. mouse still moves, can't click on anything, , can't close anything. appears related compiz, because when freeze, enter ctrl-alt-f3, type top , compiz @ top o...