Hi!!! when i close media center to return to the "normal" XP i get a sound (the sound when something is wrong) and then the piture gets wierd (just alot of random colors) and it freezes at that screen... and another problem i have is that i can't press the startbutton or the icons on the lower righthand side (or anything else in the bottom of the screen)i get the same sound when i try that... any solutions?