>>>What am I missing? Has any one else come across this specific error, and more importantly what's the fix?
>>
>>Thanks in advance.
>
>The path to the .CHM was hardcoded somewhere?

Thanks, but I'm pretty sure that's not it. This was something I investigated early on. My path is defined as a variable when the program is first run. Plus, if the path was invalid, I'd expect to have gotton one or more error messages along the way.