Thanks, I didn't intentionally modify it. If it was modified, I don't know how to find out what it's value was before to try resetting it.

Thanks for the link. It says that the installation media I'm using isn't the same as the original. I upgraded to Windows 10 via a download pushed by Microsoft. So, I'm not sure how I could use the...

Hey All, I am trying to do a repair install of Windows 10 with an .iso DVD. My only choice is to keep nothing when I want to keep personal files & apps. There is a message at the bottom that says...