Annoyed because you cannot install a Windows Update? In other words, it fails to install and you get this long error code that means nothing. 9 times out of 10 the troubleshooter will fix the problem. Follow these steps: 1. Open the Control Panel. 2. In the search box, type troubleshooter, and then click Troubleshooting. 3. Under System and Security, click Fix problems with Windows Update. Super Simple!