Seriously, once PowerToys is installed, all you have to do is right-click on the offending file and choose "Unlock with Locksmith." Then a window pops up telling you exactly what program is locking ...

If the Caps Lock key works in reverse order, press the Ctrl+Shift+Caps Lock keys. This is a shortcut method to reset the Caps Lock key. If this works, you need not try the fixes described below. If ...