Hi Greg,
- Do you get any error message?
This problem may occur if one or more of the following conditions are true:
a. The Windows Update database is corrupted.
b. A required system file is registered incorrectly.
c. The Component Based Servicing (CBS) manifest is corrupted.
Here are few troubleshooting methods you may try in order to fix the issue.
Method 1: Reset Windows update components from the following link and check.
http://support.microsoft.com/kb/971058
Important: Back up the registry
Method 2: Restart the Windows Update services.
a. Click in Start and in Start search box type CMD.
b. In the list Right click on CMD and click Run as Administrator.
Type the following commands, and press Enter after each command:
o net stop cryptsvc
o md %systemroot%\system32\catroot2.old
o xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.old /s
o Net stop wuauserv
o cd %systemroot%
o Ren SoftwareDistribution SoftwareDistribution.old
o Net start wuauserv
Try to install the updates and check.
Method 3: Unable to install updates in Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2
**http://support.microsoft.com/kb/2509997**
Important: While performing chkdsk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.
For more information, refer to the articles.
**Troubleshoot problems with installing updates******
**"Windows Update Cannot Check For Updates" error message when you try to install updates**
Do let us know about the results. We will be happy to assist you further.