Game Maker Studio 1.4. It being falsely flagged as a virus has a been an ongoing issue, and YoYo games is very much aware of it https://help.gamemaker.io/hc/en-us/articles/360031016592-What-to-do-if-your-game...
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I had the same problem with Game Maker Studio 2 (actual gamemaker) in a Jam months ago. You must be sure to work always in the same hard drive when you have installed GM (C: as default) You need to open the project files and compile it always in the same unit. I hope this advice could be useful for next jams or if you can try it for this jam I will try it again.