Getting attacked by virus and Trojans in itself is an annoying experience. And if you’ve been so lucky as to get one of those intruders that delete or turn off Windows features… I feel your pain. Even when the virus or Trojan are removed, users are still facing the possibility of spending many hours going through the registry and other tools to get everything back up and working. Most users would be forced to re-install Windows at this point.
Another solution might be this one: