Which version of Windows?
http://support.microsoft.com/kb/555375
At the top of this page there's a box that says Search For:
and another that says In:
Type or paste 0x80070005 in the Search For: box, and pick General,
Announcements, and Signatures In the drop down menu on the other box.
--
"chrisc" wrote:
> My definitions are 2 weeks old and I have automatic updates turned on before
> scans. I did a full scan a week ago. When trying to do the update
> manually, I get an error Windows Defender unable to complete the update
> 0x80070005 access denied. What do you recommend I do?
> --
> chrisc