OS Freeze

Hello,

I'm writting an app in VB6. However, it has started doing something
weird. The app is running in a standalone testing machine (re
embedded) running on a PC104 board that has a pentium clone called a
geode processor.

At random intervals (usually once a night) the OS freezes. This
includes the clock in the taskbar. I've proved to myself that there
are no infinite loops in my programs. When I try to code in some traps
to see where the app is when the OS freezes the OS never freezes.

Would anyone have any ideas where to start looking to see why the OS
would freeze?

Thanks.

Mike