How to update the antivirus database?

Hello @Conor @qaz @csa

You can check if the macOS version is supported, and make sure that the latest version of SAFE is installed on your computer.

After that proceed to restart/reboot your computer. If the issue persists after the reboot, do the following:

How to fix databases are too old error?

Method A:

1. Open Finder
2. Select Go at the top of the screen.
3. Click Go to Folder.
4. In the box, type the following location and press Return: /private/ etc/hosts
5. Drag the folder onto the desktop [Without opening the folder] 
6. Open the folder when on the desktop and replace the host information with the following information: 

##
# Host Database
#
#
# localhost is used to configure the lookback interface
# when the system is booting. Do not change this entry.
##
127.0.0.1	     localhost
255.255.255.255	broadcasthost


::1		    localhost
fe80::1%lo0	 localhost

1.  After replacing the text in the host folder, drag the folder back into the /private/ etc/hosts, select replace file and confirm that by entering the administrator password. 
2. You can then restart the computer and check the status of the program. 

Method B: https://www.imore.com/how-edit-your-macs-hosts-file-and-why-you-would-want

1. Open a Finder window.
2. Select Applications from the sidebar.
4. Double-click on Utilities.
5. Double-click Terminal.

In the Terminal window, you will need to enter a command to open the Nano text editor. You will need your administrator password, as well.

1. type sudo nano / etc/hosts and then hit return.
2. Enter your administrator password and then hit return.

You're now in the Nano text editor. Move the cursor using the arrow keys and position it after the text in the window. Then, begin typing. It should look like this,

Once you're done, hold down the control and O keys to save the file, then control and X to exit.

One last step

Back at the command line, type sudo killall -HUP mDNSResponder then type return. That will flush your Mac's DNS cache, so it doesn't get confused by any changes you've made to the Hosts file.

Kindly let me know if this helps.

Thank you and have a good day.