windows update error 800700c1

How the error looks like exactly?
Is it showed in a message box or on a different way?

Try to provide us a screenshot.
By the way what Windows OS is it and how exactly do you run Windows updates?
 
Windows Vista

The Icon in the task bar says updates are ready to install. I click on it and click install.

Cumulative Security Update for Internet Explorer 8 for Windows Vista (KB2559049)

Installation date: ‎9/‎17/‎2011 8:02 PM

Installation status: Failed

Error details: Code 800700C1

Update type: Important

Security issues have been identified that could allow an attacker to compromise a system that is running Microsoft Internet Explorer and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this item, you may have to restart your computer.

More information:
http://go.microsoft.com/fwlink/?LinkID=221946

Help and Support:
http://support.microsoft.com
 
Last edited:
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