He downloaded it, and his browser immediately warned him that the file was dangerous. Ignoring the browser warning, Mark turned off his Windows Defender real-time protection—as instructed by the "read-me.txt" file inside the zip—because "antivirus software always gives false positives on keygens."

If you're looking for safe ways to manage ISO files, would you prefer: ? Info on PowerISO’s free trial limitations ? Tips on how to check if a file is safe ?

Mark didn't get a free $30 software license. Instead, he got:

He ran the .exe file. Nothing happened. No PowerISO installation. No registration code. Just a blank screen, then a pop-up saying "Error: File Corrupted."

Thinking he just got a bad link, Mark tried to turn his antivirus back on. He couldn't.