Please follow the instruction to install Antivirus Library 3.x:

1: Download package installer from the console and install it.

2: If Antivirus 2.6 is already installed, or Antivirus service is running, Installer will ask you about reboot:

You will need to run installer again after reboot (this is a Windows service limitation).

3:Endpoint will be restarted on Installer end.

Check that 3.x library is correctly detected and applied:

Please e-mail for any further issues.