You receive the following error message on your Mac:

Protection Disabled

"Free Security Update for Your New Version of macOS
To keep protecting this Mac, you need a newer version of your Trend Micro security software"

You encounter this message because the version of Trend Micro Antivirus for Mac installed on your computer is not the latest version.

Download and install the latest version of Antivirus for Mac

  1. Download the Antivirus for Mac installer:
    • Click the Download Now button from the message box.

      Download Now

    • Click the Download Installer button below to manually download the latest version of Trend Micro Antivirus for your Mac:

      Download Installer

  2. Open the Antivirus for Mac installer.
  3. Click Install Trend Micro Antivirus.


  4. Click Open on the security warning to continue the installation.

    Security Warning

  5. Click Continue.

    Installer Prompt

  6. Click Continue on the Welcome screen.

    Installer Prompt

  7. Read the Privacy and Policy Data Collection Disclosure, then click Continue.

    Privacy and Personal Data Collection Disclosure

  8. Read the License Agreement, then click Continue.

    License Agreement

  9. Click Agree when prompted to accept the License Agreement.

    License Agreement

    You can click Disagree if you do not agree with the terms of the License Agreement but this will automatically terminate the installation process.

  10. Type your serial number on the field provided, then click Continue.

    Serial Number

    You can find the serial number from the CD sleeve or Order Confirmation email.

    If you want to install the trial version, select Start a free trial of Trend Micro Antivirus, then click Continue.

  11. Click Install.


  12. Type your administrator password, then click Install Software.

    Type administrator password

    Wait while the Trend Micro components are installed onto your Mac.

  13. Provide your email address, then click Continue.
  14. Click Close after the installation is done.

    Installation Sucessful

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