Upon start-up, when I first see the Windows Desktop, I get two error messages that I have to click ok on. It is getting annoying. How can I clean this up to get rid of them?

By the way, I am running XP.

The error messages say they cannot locate:

I think they came from having a desktop weather program that used to launch on start-up... I removed it, but some things must have remained.

Any guidance?