“A hacking program has been detected” error.

For your computer's safety, MapleStory will scan for hacks and malicious programs when you log in to the game.

When you see an error message that reads "Hacking program has been detected" or “Please run a virus-check, then reinstall the application” after running MapleStory, it means your PC might be affected by a hack or a malicious program.

If you receive these error messages, run a virus scan with another security program and remove any viruses from your computer.

After you remove any viruses, hacks, or other macro programs, you should be able to play the game normally.  

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