By default, Windows 7 only shows system icons in the tray, next to the clock. The icons of all the other applications and security programs can be found under Notifications.
Display Avira's icon permanently
- Right-click the taskbar and select Properties.
- Press Customize in the "Notification area".
- Change the settings for Antivirus: select Show icon and notifications instead of Only show notifications.
- Press OK to save the settings.