You should also try scanning per Grif's list at the next link.http://forums.cnet.com/7726-6132_102-5098912.html?tag=posts;msg5099421I have seen this when the HDD or other parts start to fail but I am not there so any clue may uncover what it is.Bob Was this reply helpful? (0) (0) Staff pick Discussion locked Report offensive post Email to friend Permalink No HIJACKTHIS log yet will do tomorrow by Lis