I didn't have the challenge of fixing things in Safe Mode.

Check this out, someone has a solution to uninstalling in safe mode:
Tip: How to install and uninstall a program in Safe Mode 4sysops

OK, I had this problem (no login box), sometimes on power up, sometimes on return from sleep (you know, I shut the lid on the computer). After the Windows 10 Creator update, it became a "happened...