I bought a verbatim 2.5 mobile hard drive usb 500gb (62873) 2 days ago. I was transferring files onto it running XP no problems. When I turned it on the next time says not formatted and slows my pc right down. Have tried reconnecting several times. Very weird I guess I can reformat as long as my freind hasn't deleted the files I just copied. This should not happen with a new hard drive. Can someone help me out here? I just bought this drive because my other wd external died after less than a year!