> 
> why would say that?  IO.popen and more than one thread is a disaster on
> windows: if the parent doesn't read from the process fast enough one 
> will end
> up with deadlock.
> 
> regards.
> 
> -a

IO.popen wins! I tried the systemu first and yes that would return, but 
it never actually launched my app.  In fact when I made cmd = 'cmd.exe' 
it didn't even launch it.  I also tried it with cmd = 'START my_app.exe" 
but that also didn't work.

But once I tried IO.popen that worked out of the box.  Thanks to all who 
helped out on this one.

Snowdall

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