Cannot run sfc /scannow?

[jim]

On Thu, 21 May 2009 01:51:01 -0700, Eric
<Eric@discussions.microsoft.com> wrote:

>Does anyone have any suggestions on what wrong it is?
>When I try to run sfc /scannow, it pops up message related to missing ...
>DLL file.
>But when I run this command on another computer, then it works fine.
>Does anyone have any suggestions on what wrong it is? when I run this command.
>Thanks in advance for any suggestions
>Eric

And this missing .dll file is .................?