Unfortunately, Windows is flagging your game as a virus.
It’s most likely just a false positive, but it’s a good idea to prevent that!
All you need to do (if you’re using Godot 4.x) is sign your project using the Windows SDK:
https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/
Once the SDK is installed, go to Editor Settings in Godot and look for:
export/windows/signtool
In the signtool field, browse to the signtool.exe file located in the folder where the SDK was installed.
Example:
C:/Program Files (x86)/Windows Kits/10/bin/10.0.26100.0/x86/signtool.exe
After doing this, when you export your game, Windows will stop showing those false virus alerts.
https://docs.godotengine.org/en/4.4/tutorials/export/exporting_for_windows.html