This one is known to Microsoft. Please go here:
http://www.microsoft.com/technet/sec.../MS06-007.mspx
and select the OS link appropriate to your version of Windows.
Manually download and install the update--it should go just fine.
--
"Old Rebel" <(E-Mail Removed)> wrote in message
news:CE905302-D1AF-405D-B722-(E-Mail Removed)...
> Not only did the install of Defender get screwed up, one of my 5 updates
> for
> Windos Xp failed to download/install (KB913446-error code 0x80242006). I
> tried the online support email request but that system failed due to
> "unknown
> errorr." I need help from somebody who knows how I can contact Mircrosoft
> support about critical update failure.
> --
> Old Rebel: Too Old to Rebel; Too Young to just take it!