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Sophos Central Mac Installation Guide

  • This guide will show you how to install Sophos Central Antivirus on Mac OSX for University of Regina systems.
  • The purpose of this guide is to allow the Macinotsh OSX user to install and maintain an updated Sophos Central application, which replaces previous Sophos versions. Sophos Central effectively scans your Macintosh for both Windows and Macintosh viruses.
  • Sophos can only be installed on University-owned computers, such as research funded, APEA purchased, or departmental assets. Sophos is not permitted to be installed on personally owned, or home computers. 
  • Installation is provided only to employees (Faculty/Staff) of the University of Regina. 
  • Sophos is the recommended and supported antivirus application for use on University of Regina owned Mac systems.
  • Sophos Central will automatically update whenever it is connected to the internet.
  • Only employees are provided access.

Installation Requirements

  1. University-owned Mac computer.
  2. Supported Operating systems:
    1. Mac OSX 10.12 / 10.13 / 10.14
    2. 2GB RAM
  3. Sophos requires that you have an active account username and password with employee permissions with the University of Regina for the initial installation download from the website.
  4. An account on your computer with installation privileges.
  5. An internet connection.

You must remove any other antivirus software

  1. Open Finder.
  2. Click “Applications”.
  3. Locate your current antivirus software in the folder list then:
    1. Locate and run the uninstaller.
    2. Or, if there is no uninstaller then, move the application icon to the trash.
      1. Click the application icon in the folder.
      2. With the icon selected, click "File" at top left.
      3. Select “Move to Trash”
  4. Remove old icon from desktop or dock if present.
  5. Restart your computer.
  • It is recommended to restart your system before installing new antivirus software as some antivirus components may be retained in system memory.

Installation Steps

  1. Go to the IS/Staff Downloads page located at:
  1. Click the link to download the "Sophos Central Antivirus" package for Mac.
  2. Input your username and password when prompted.
  3. Save the file "" to your downloads folder.
  4. Open downloads folder and double click ""
  5. Open folder "SophosCentralforMac".
  6. Double click file "Sophos Installer".
  7. You may receive a warning that this file was downloaded from the internet, click “Open” to proceed.

9. The installer will start and display a welcome prompt.

10. Click Install to proceed, your computer will ask you for your credentials to authorize this installation.

  • Note: This is your local computer username and password which may be different than your credentials.

11. Please wait as the installer sets up your new antivirus software, it can take up to 15 minutes to install.

12. Once complete, the installer will display a success message and should automatically register with our license:

13. Click "Quit" to close installation window.

14. If you are prompted by Sophos with a message, "System Extension Blocked". Click "OK".

  • After installing Sophos Antivirus go to "Security & Privacy" in the Apple "System Preferences" window, or click "Open Security & Privacy" if you see a popup.

  • Near the bottom of the "Security & Privacy" window, there will be a list of the blocked Kernel Extensions (kexts) by Sophos. Click the "Allow" button.

  • Once authorized, all future Sophos kernel extensions are allowed, even after the uninstall.
  • This step is not needed again on a reinstall.
  • Kernel extensions already installed during an upgrade from MacOS 10.12 are automatically authorized.

For questions or installation assistance, please contact the IT Support Centre at:

Phone: 306-585-4685
Toll-free in Canada: 1-844-585-4685
In person at ED 137 or Archer Library