If you operate Avira Antivirus Server in conjunction with Avira Exchange Security, databases, backup software, or other data-intensive software, please set exceptions.
You can do this in PC Security → Exceptions.
The required exceptions for Avira Exchange Security can be found here.
You can also add the directories of the application described above to the "Files and folders to be ignored by the system scanner and real-time scanner" exceptions.
In addition, the processes of such application should be added under "Processes to be omitted by the real-time scanner".