Yeah i couldnt boot my pc..it was just DOS that gave me an error about the NT loader..so i just installed XP Pro just to see what happened and it recovered everything just have an extra OS on my pc..and im not sure if i installed the XP Pro over the XP Home how would i be able to tell?..alls i know is that i can choose what OS i want to boot up at the begining if i have it turned on..im not even sure how to check if i installed it to a different partition,im computer dumb