UWT only runs on Windows PE or RE

[Nico Ras]

Since I installed the update, every setting I tried to changes kills explorer and I have a black background with an error that UWT only runs on Windows PE or RE. I run win 10 Pro. What has changed that causes this problem. All I can do is press control + Alt + Del and sign out. I tried everything I can think of but the first change I save this happens. Has anyone have a fix for this. Yes I am running as administrator.

[AshishM]

Since I installed the update, every setting I tried to changes kills explorer and I have a black background with an error that UWT only runs on Windows PE or RE. I run win 10 Pro. What has changed that causes this problem. All I can do is press control + Alt + Del and sign out. I tried everything I can think of but the first change I save this happens. Has anyone have a fix for this. Yes I am running as administrator.

Do you have a system restore or option to roll back?