i got 2 problems on my computer.... 1) i downloaded a movie from limewire pro and i want to erase it but it says that another program is using this file therefor i cant erase it. how can i find out what program it is or how can i delete this movie??? 2)when i listen to music my computer gets really slow even though i just formated my computer it acts really fast when im not listening to music. when i hit ctrl+alt+dlt it says the CPU usage is up to 96% to 100%.....what could be causing this???? please help!!!