Hello i urgently need some help, ive sent my pc away and none of the techincal team was able to find what is wrong with my pc...after 3 weeks and it cost me $145!!! for nothing, Ive been having this werid pc problem When ever i play music or its loading a video file half way thru the music or video, sometimes , my pc kinda stalls like its loading a file then you hear the last tune of the music or video reapeat like a bird cherping sound for 5 secounds then the rest of the music or video loads and its fine. i cant seem to find what the problem is my operating system is Vista 64 bit i have 4 gig ram im on AMD duel core , please anyone can help me with this? any advice or exprince on how to fix it? even what is it? did someone over clock my ram a bad ram or im not sure !! please help!