installing after download

can download new updates but then wont install,,why is this happening???

HELP ME PLS

http://support.microsoft.com/default...b;en-us;822798
You Cannot Install Some Updates or Programs “Digital Signature not found�
When you use the Windows Update Web site to install updates, the installation fails
and the Windows Update.log file contains error 80070643.

http://v4.windowsupdate.microsoft.com/troubleshoot/
Updates fail to install and you receive error message 0x80070643

If all else fails
You can download them from the Catalog and save to be installed later.
http://v4.windowsupdate.microsoft.co...en/default.asp
How to Download Windows Updates and Drivers from the Windows Update Catalog
http://support.microsoft.com/?kbid=323166

Click Add button for each update you want to download. Once you have what you want,
Click the “Go To Download Basket� link. Type in or browse to the location where you
want the updates saved to and then Click the “Download Now� button.
Once downloaded, you can then burn them to CD.

Other links which may be of interest:

Roll up link
http://support.microsoft.com/?kbid=826939
Search for a download
http://www.microsoft.com/downloads/s...displaylang=en



"cathe" <> wrote in message
news:1CFF3490-5CCE-4ED4-8CCC-...
> can download new updates but then wont install,,why is this happening???
>
> HELP ME PLS