Click the Start ,click Control Panel, click Programs, and then under Programs and Features, click Turn Windows features on or off. Select the Games check box, and then click OK.
Go to Programs and Features. On the left edge there are small links; one of these is "Turn Windows features on or off." If the Games checkbox is unchecked, click it, then hit OK. It might take a moment to install or activate or whatever phrase is correct (lol), but hopefully that'll fix your issue.