Hey, I recieved my Sony Vaio Windows 7 disks today, put the first one in and it started doing some install thing for supplement disk (said 1/12) but then froze for ages, so I tried closing it. When I attempted to start the installation again, I now receive this error: "The supplement disk utility has stopped and cannot continue because the main C: drive partition information is not avaliable. Restore your computer to the original factory settings and try using the supplement disk utility again." What's gone wrong? And should I restore to factory settings? If so, how do I do this? Never had to do it before. Thanks.