I have a peculiar issue with a single user who is using a small application I created with VB.NET (VS 2010). The issue is only seen on his machine and it used to work before...The application is currently working fine for everyone else. The only change is that he recently upgraded from MS Office 2003 to 2010...this may offer a clue, but I have not been able to find a solution.

What the app does (in a nutshell):
Searches on our...