Thes tripped up a lot of applications.

http://www.microsoft.com/office/ork/updates/97_2000/wrdacc.htm for example.

You may have to get the user to offer a list of all patches on their machine.

Bob

PS. Don't complain to me that the link above is not your issue. I only offer it as one of many security items that has caused some trouble. I can't know which yours is given what was provided.