So, a login prompt finally appeared. Took about 10-15 minutes, which seems a bit long. Was able to log in.

Yes, that's exactly how I removed it. Any suggestions?

Yea, I deleted Windows.old files. Nothing I found online said it would cause problems, only that I wouldn't be able to revert back. Was there something in there those files that I shouldn't have...

A couple days ago I realized I had about 135 GB of restore points (an excessive amount in my opinion) which I deleted and lowered the limit of how much data could be used for restore points. Before...