Try booting in "Safe Mode" and see if you can get past it. If Windows then loads in "Safe Mode" you may have something on the computer you really don't want. Malware, virus, etc., I would then run some programs to check for anything that needs to be removed.
How to enter "Safe Mode" when booting the computer.
In Windows 8 and 10 ...
As your computer restarts, press F8 (possibly a few times) to enter "Safe Mode"
a. Press the "F4" key to Enable "Safe Mode".
(The computer will then start in "Safe Mode" with a minimal set of drivers and services.)
b. Press the "F5" key to Enable "Safe Mode" with Networking.
( Once "Safe Mode" with Networking starts, Windows is in Safe Mode, with additional network and services for accessing the...