How do you fix a runtime error: runtime error 131 at 0040b083?

I get this runtime error (runtime error 131 at 0040b083) when I start up my computer. How can I fix this error?

2009-03-07T15:19:00Z

when my computer starts, I get this error: runtime error 131 at 0040b083. It happens when windows comes up. How do I debug this error?

killerfly16702009-03-06T18:38:17Z

This is a program error that occurs when a number is compared/casted/calculated invalidly. The only way to fix it is to debug the program. This is a VBScript error.

soccerpsychic2009-03-06T18:29:33Z

When you start up your computer? Before windows loads or after windows loads or during the loading?