Windows Update Error 80240016



I'm running Vista Home Premium.

After updating to SP1, I got a message for the cumulative update: Media
Center for Windows Vista (KB955519).

Every time I try to download it, it fails. Unable to download or install,
with error 80240016. I haven't been able to get past this or get any
further updates since this problem started. Every time I boot I get the
error msg that it's unable to check for updates.

Any help with this matter would be appreciated.



When I run SFC /SCANNOW from the command prompt, logged in as an
administrator I get the following error message:

"You must be an administrator running a console session in order to use the
SFC utility".

I don't know what I'm doing wrong but I can't use it, or use it properly.
It seems that the file isn't downloading initially to do the update. It
only gets to 0% downloading the update when it fails. Hope this helps, and
if anyone has any othe ideas it would be appreciated.


Rick Rogers

Hi Patty,

Your command prompt needs to be elevated. Click start and type CMD, then
right click the entry that appears in the menu and choose 'run as
administrator'. Click continue at the UAC prompt, then run "sfc /scannow"
from this prompt.

Before you do that though, you may want to try the steps here:

Written for XP and other NT versions of Windows, the steps also apply to
Vista (which is also based on the NT model). Where it mentions using the
command prompt, use the steps listed above to elevate the prompt or the
commands will fail with error messages similar to what you are already

Best of Luck,

Rick Rogers, aka "Nutcase" - Microsoft MVP

Windows help -
My thoughts

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