You encountered the following error message when installing Antivirus for Mac:

Antivirus for Mac already installed

"Trend Micro Antivirus Already Installed.
Before installing the software from your service provider, you must remove the version of Trend Micro Antivirus already installed on your Mac."

This happens because you still have an old version of Trend Micro Antivirus installed on your Mac computer.

You can do either of the following:

Expand All
Uninstall using the Trend Micro Diagnostic Toolkit
Uninstall using the Uninstall Tool
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