Follow the steps below in case your Avira Antivirus does not work properly, and you have to perform a repair installation.
- Download the latest antivirus installation file.
- Double-click the downloaded file.
- Select the Repair/Update option and click Next.
- Verify if all the required components are flagged for installation and click Next.
- The Antivirus installation will now be repaired. After completing the repair, a reboot may be necessary.