Tracking down exceptions

[frieddan]

When I run Performance Profiler V7.3 on my .Net application, it gives me a bunch of System.InvalidCastException red lines on the timeline. When I click on one of these, it takes me to a line of code that cannot possibly be generating this exception. A try/catch doesn't pick anything up, even when wrapped around the entire containing method.

Any ideas on how to find out what exactly the profiler is talking about?

By the way, the line of code it goes to is