in reply to Re^3: Killing a process on Windows (Win32::Process question)
in thread Killing a process on Windows (Win32::Process question)

Perl does not allow return codes > 255 from a process

Perl screws up dealing with return codes internally, but it does allow perl processes to return values greater than 255: 

C:\test>perl -e"exit(511)" & echo %errorlevel%
511

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