Hello all this my first post and iam such a newbie at computers so bare with me. Ok so i was wondering if there is a way to re-register my windows installer for windows XP because right now it a window pops up when i try to install a something thats needs the windows installer,so it says that window installer service cannot be accessed because it not properly installed or something of that wording oh yeah i cant re-install windows xp i dont have the disk.I hope someone can help me out, thanks in advance.