How to troubleshoot definition update issues for Windows Defender:
http://support.microsoft.com/kb/918355
--
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)
Yarmey wrote:
> I have tried to install the latest Windows Defender definition update
> (Definition 1.15.2233.6) many times. It keeps failing with this error:
>
> Installation Failure
> Error Code: 0x80070012
>
> I can't find any reference to this error code anywhere on microsoft.com.
> Can
> anyone suggest why this definition update is failing? I have never had a
> problem before.
>
> Thanks!