Hi Mike,
Yes, 'Add/Remove Programs' is what I meant. With Office Aps, it's best to remove in the reverse order of installation. You should remove each of:
• Office Converter Pack
• Office File Validation Add-in
• MS Office Pro 2010
After that, you could try using Revo Uninstaller (
http://www.revouninstaller.com/revo_..._download.html) to erase any remnants of the above (and Office 2003) before reinstalling Office 2010.