Failure when attempting to copy boot files once again, I tried a variety of letters not in use but no luck.

Is it because of the volume letter? I wasn't sure if you wanted me to specifically try to mount volume U: even though that doesn't exist and unmount to reset it. I noticed in your example that you...

Yes.

When I enter mountvol U: /s, it says "The parameter is invalid" and stops. Also regarding the bcdboot C:\Windows, as per my original post, whenever I attempt to do that, it says "Failure when...

Hello,

I get an error, about once every 4/5 months when the PC is interrupted via a power surge or incorrectly turned off during a restart that results in me having to fix, reset and rebuild the...