The reason for this issue is that almost any antivirus software penetrates the operating system very deeply during installation, and it is not always easy to find its service files even if you remove Application support files from the Library.

I have removed the antivirus software but I can’t remove its kernel extension.

I have deleted the old antivirus software but I get the message that it is not deleted.

I want to install a new antivirus software but cannot remove the old one.Here are some quite frequently asked question from users: So it is impossible to remove the antivirus in this way. Most Mac antivirus come with their uninstaller files (except for various apps that do not require installation). Further removal of the antivirus software can be difficult for the reason that in the first stage some necessary files have been deleted.It is important to first quit the program and close all running processes. When you try to move the program to Trash, it may cause an error due to the fact that its files may be in use by another application or, most likely, the antivirus system services are still running.The first and most important thing you should remember is never to remove antivirus software just from the Application folder in the Finder window. In this article, we’ll tell you how to properly remove an antivirus software, what problems can be encountered and how to solve them. Often, even after uninstalling the antivirus software, its files still remain on Mac. Most Mac users have problems when trying to uninstall Avast Antivirus, Sophos Antivirus, MacKeeper or others.

Advanced mac cleaner avast