The installer of Windows does everything I have download to install: how to cure this?

I had serious problems with my operating system installer, XP Pro. Unfortunately, to download anything, I will install!

When I try to install anything, I get an "Unknown Publisher" notification, and I gives me two options "RUN" or "CANCEL".

When I type 'RUN', I get a ""this file is corrupt " , or the notification "this file has no digital signature" ." The same thing

It happens even when I'm Abdel to install Microsofts owner downloads! Any help or advice would be really appreciated.

Best regards

Ian

Hello

· Were there any changes made on the computer before the show?

· Who is the service pack installed?

A digital signature is an electronic security mark that can be added to the files. It allows you to verify the Publisher of a file and helps verify that the file has not changed since it has been digitally signed.

If the file does not have a valid digital signature, has no way for you make sure that the file is actually from the source, of what he wants, or that he didn't has not been tampered with (possibly by a virus) since its publication. It is safer to avoid opening the file unless you know for certain who created it and if the content is safe to open it.

Try the steps listed in the link: you cannot install some programs or updates: http://support.microsoft.com/kb/822798

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