download from another pc hirem boot cd you can burn it or make a bootable usb stick from the iso image. run hdtune and seatools and or wd tools depending on the make of your hard drive see if your hard drive is healthy. then do a virus scan on the drive and then run memtest. sounds like hard drive or a part in your pc is damaging windows.
yes may be you are right. my two partition
volumes are missing in my pc