Avira Antivirus error 500 [Full Fix]
Many users claim that Avira Antivirus error 500 is appearing on their systems and it's caused by a software glitch. In order to fix this problem, it's recommended to perform maintenance on the program and install all its components. You should also consider using a more reliable and error-free antivirus for your system. Scanning the registry with a dedicated, third-party tool may also bring this issue to an end.