Can you attach the log files ? crashlog.dmp especially see https://trac.wildfiregames.com/wiki/ReportingErrors
and https://trac.wildfiregames.com/wiki/GameDataPaths
Alternatively you can try to run the game with --writableRoot
You can do that. Although chances are that if it's detected now it will be detected again. What's your antivirus brand? They should have some kind of false positive reporting system.