I am running Win 7 Home Premium, Serv Pack 1, 64 bit. I have a lot of Word files, some pictures and video's. Got a blue screen of death and a message saying my hard drive was full. I don't understand how that can happen. I was able to erase 3.6 gb of files, but I'm back to only 1.2 gb free. Someone said something about a backup "bug" that could keep backing up my files until the drive is full.