If you can tell me (e.g., in a specific folder or an antivirus pop-up), I can give you more specific advice.
: If you bought the game legally, delete the zip and redownload it directly from the official store (Steam/GOG). File: Sacred.Citadel.zip ...
: Upload the .zip file to VirusTotal to see if multiple engines flag it. If only 1 or 2 engines flag it as "Generic," it is likely a false positive. If you can tell me (e