Hey, I also set windows for best performance which made my pc faster and i defragmented the drive, even though it did take 4 hours..      
 
uhhhhh it runs fine but,  every now and then my pc  crashes 

 dunno if this got anything to do with limewire though .. Also, when i go to log off my floppy disk drive rumbles like when you first boot up your pc, Only it goes on for like a minute, it definetely does not sound healthy.