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You receive the following error message when installing Trend Micro Antivirus for Mac:

System Installation Check

"System Installation Check. You must remove the security software shown below from your Mac before installing Trend Micro Internet Security."

No security software are shown in the box and there are no other options aside from clicking the "close" button.

This happens when there is a Trend Micro program installed on your Mac.


Remove Trend Micro Remnants

  1. Click Close.

  2. Double-click the Trend Micro Antivirus for Mac installer.
  3. Click User Support.

    User Support

  4. Select Trend Micro Antivirus Diagnostic Toolkit.

    Diagnostic Toolkit

  5. Click Uninstall.

    Uninstall

  6. Enter your Mac credentials when necessary.

    Password

  7. Reinstall Trend Micro Antivirus for Mac.
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