In response to Andy Keeney's observations about entering yard data I have posted an Update.

The issue was a VisualBasic language error.   I usually work in the VB programming environment, with it set to trap all errors.  I did not see any errors.  In addition ProTrak has error-trapping and nothing should cause the program to exit as described.  But when I ran the executable program - what you have - the program behaved exactly as Andy described.  

I have replaced two lines of code (accomplishing the same thing, but in a different way).  I tested the executable and it behaves as expected.

Please let me know if the electrons in Michigan behave.

Thanks,

             Jim

P.S. From time-to-time, but thankfully rarely, we do run into a bug in VB itself.  So far we have been able to "work around" these issues.