Avira Support Antivirus Antivirus for Windows Where can I set the Avira Antivirus acoustic alert for detections? Click the Avira icon in the taskbar. Search for "Antivirus" and click Open. Click the setting icon in the lower left-hand corner of the Antivirus window. Click on the left panel General → Acoustic alerts. Configure the acoustic alerts as desired. Comments 0 comments Please sign in to leave a comment.