Did you touch anything while it was trying to boot??
nope, left it to do its thing
Have you checked all the hard drives or solid state dives are ok Check all the ram cards are ok and running Then try again https://neosmart.net/wiki/0xc0000001/ That's a good thing to use Then if none of that works it might be your disk
Pl load your installer CD and try to repair the Installation else install the windows again.