It is time to do a hard drive erase, which will get rid of everything, unfortunately: Download Bootable Disk Creator for DOS version of KillDisk (Free) (USB Flash & Floppy)
Works on a floppy disk and flash drive. Let me know when you have this ready. Then, we can continue with the operation.
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Right now, it seems the blue screen of death is about hardware corruption, in which case the setup for Windows will fail, because some hardware on your computer may no longer function. If that is the case, I have a diagnostics kit that I know of that can be used to figure out what hardware is plaguing the setup of Windows.