I don't use windows, but I find that while(1) loop and multiple sleeps very suspicious. They will definitely screw up a Tk event loop. Can you rewrite your code to use Tk timers instead of while(1) and sleep?
I'm not really a human, but I play one on earth. Cogito ergo sum a bum

In reply to Re: Win32::Process not waiting by zentara
in thread Win32::Process not waiting by Stephen Toney

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