Your description suggests there's a problem with your Windows installation. It's not clear from your post whether you need to update the installer (see http://www.microsoft.com/en-us/downl...s.aspx?id=8483) or something else. See also:
http://support.microsoft.com/kb/2742695/en-us

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]