Mac security applications can protect against various malware and detect out the suspicious files, documents or other potential risk on the Mac. We don’t recommend you uninstall Avast SecureLine VPN on your Mac because Mac OS X operating system would be infected by viruses, Trojan, and spyware although the Apple company claims that the OS X operating system is the most safe and powerful system on the earth. Therefore, it has never been an easy task to completely uninstall Anti-virus or other third party security software from Mac. Technically, anti-virus applications are more complicate than other type of software because of the powerful functions including scanning the whole system, detecting suspicious files, analyzing infections, removing malware, etc. It is not so simple as you think to completely remove applications especially the security software from Apple Mac OS X system. To uninstall Avast SecureLine VPN completely on Mac, you have a lot to do.