A family of Microsoft relational database management systems designed for ease of use.
This is a known issue when 2003 and 2010 Office products are on the same computer. There is a DLL conflict between the two. Maybe this may or may not solve the problem:
Find C:\Program Files\Microsoft Office\OFFICE11\OWSSUPP.DLL
Rename it to OWSSUPP.DLL.old
Run the Office 2010 diagnostic tool to repair Office.