See the Knowledge Base article ""Invalid product key" error message when you
start an Office 2003 program after you install Office Professional Edition
2003" at:

http://support.microsoft.com/?kbid=836178


--
Hope this helps.

Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.

Doug Robbins - Word MVP

"nbkzivu" wrote in message
...


"Priti" wrote:

I have been trying to use the product key to register my software, but
its
saying "you have not entered the valid product key." I'm so frustrated,
I
don't know what to do.