How to fix Avira antivirus error 500 on windows 7?

Avira antivirus is software that is based on many technicalities and each of the techniques is more and more advanced and hence becomes more and more complicated for the user to understand and handle. There are many technical errors that occur when this antivirus performs on the system and all these errors are unavoidable such as in order to fix the above given error repair registration entries scan system for malware, clean junk from the system, update P C drivers, undo all system changes, reinstall Avira