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If you see the message below while installing Trend Micro Antivirus for Mac, don't worry — it just means an older version needs to be removed first. This is quick and easy to fix.

"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."

What Happened?

The installer detected an older version of Trend Micro on your Mac. You'll need to uninstall it before installing the latest version.

How to Fix

  1. Open Spotlight by pressing ⌘ + Space on your keyboard.
  2. Type Trend Micro, then select Uninstall Trend Micro Antivirus from the results.
  3. If prompted, enter your Mac username and password to allow the uninstall.

    🔔 Important: You need an administrator account to uninstall programs on Mac.

  4. Click Uninstall and wait for the process to complete.
  5. Once done, install Trend Micro Antivirus for Mac again.

If the installation goes through and your Mac shows Protected, you're all set! ✅

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