You may have received a pop-up message saying "Legacy System Extension" after installing Antivirus for Mac to MacOS version 10.15.4.
This message appears because Antivirus for Mac will need to be updated to improve compatibility with the new Mac operating system when it is released in the Fall of 2020. Trend Micro will release a version of Antivirus for Mac that is compatible with the next version of macOS before it is released to ensure that you have continuous protection for your Mac.
Check if you have the latest version
- On the Legacy System Extension window, click OK.
- On the Menu bar, click the Trend Micro Antivirus icon.
- Click Update now. Wait for the update to finish.
- On the Menu bar, click the Trend Micro Antivirus icon, then click Scan now.
Trend Micro Antivirus for Mac works normally with the latest Mac version and its earlier versions.
We will be releasing a compatible version of Antivirus for Mac to comply with the next MacOS requirements.
Upgrade is free, and we encourage you to get the latest version.