In MS se ne sono accorti e dicono:

As of April 3, 2007, Microsoft is not aware of any other programs that
are affected by this problem. If you receive a similar message when you
use other programs, contact Microsoft Customer Support Services to
obtain the 935448 hotfix. If we confirm that other programs are
affected by this problem, we will update Microsoft Knowledge Base
article 935448 with more information.
L'articolo è questo:

http://support.microsoft.com/kb/935448/en-us/

Se non siete però sicuri disinstallate l'aggiornamento e controllate che tutto sia tornato a posto.