Microsoft has developed the Fix It Center tool, which includes all of the automated fixes for various Windows problems it has released over the last few years. Download and install it from http:// fixitcenter.support.microsoft.com, then launch the tool from its desktop shortcut.
A list of available troubleshooters for your version of Windows will be listed; if one describes the problem you're having then click the Run button next to it and see if it can resolve your problem.