Is your Keyboard locked, and you can't type anything? Learn how to unlock a locked Dell, HP, Acer, Surface, or Toshiba laptop keyboard.

Lock the computer by clicking outside the Virtual PC window, then holding down the "Windows" key, located between the "Ctrl" and "Alt" keys, and pressing "L." If this doesn't work, press "Ctrl-Alt ...

Why can Registry DeleteEx delete the keys when Registry Editor and other tools fail to do so? The tool deletes locked keys and values using a kernel-mode driver.