Copied from an earlier post, it may help;
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Go to
www.microsoft.com/genuine and revalidate. Reboot your computer after
this is done.
Let us know us if this fixes the issue.
Sometimes revalidating and rebooting correctly syncs the Windows library
files.
If not, try this:
Please click start, then run, then type in "wgatray.exe /b" then press
enter.
After that, log off and log back on.
If still no resolution, then:
Please follow this simple troubleshooting procedure:
1. Download and install the MGA Diagnostic Tool:
http://go.microsoft.com/fwlink/?linkid=56062
2. After running the WGA Diagnostic Tool, click
on the "Validation" tab and then click on "Copy to Clipboard".
3. Next, visit the following website and create a post in the
"WGA Validation Problems" forum and paste the
results of the WGA Diagnostic Data in a detailed post.
http://forums.microsoft.com/Genuine/default.aspx?SiteID=25
4. A WGA troubleshooting specialist will analyze the data and
recommend an appropriate solution.
--
Carey Frisch
Microsoft MVP
Windows - Shell/User
Enjoy all the benefits of genuine Microsoft software:
http://www.microsoft.com/genuine/default.mspx
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