This was the email from Janko (who removed the CD-Check):
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This supposed to be a Gorky Zero: Beyond Honor English initial (1.0?) NO-CD
exe.
I don't know if it's 100% working on all Windows platforms, users will test
it for me
Install: overwrite game.exe and ar.exe files in <gamedir>\bin directory.
Cracker: Hoodlum Securom5 / Me CD-check
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So it is possible that it will not work on all windows versions...