Are you, by any chance, double-clicking the Perl program from Windows Explorer?
If memory serves, the only way to hide that OS message (and that's what it is, not a Perl message) involves some largely useless trickery like changing the font to the same color as the background in the Command Prompt settings.
In reply to Re: How to move perl process on Windows to another server
by marinersk
in thread How to move perl process on Windows to another server
by digioleg54
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