Avast thinks my game file is a virus

I tried to launch a game, and Avast blocked it and is treating one of the game files as a virus.
My game was fine with avast until now.
Any suggestions?

as the info for this forum section say …

Avast Free/Pro/IS/Premier topics and issues, not viruses or false alarms here!

Use Viruses and Worms forum section

at top in that section are sticky posts with related info, like how to report >> https://forum.avast.com/index.php?topic=14433.msg1289438#msg1289438