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You see this pop up while installing Trend Micro Antivirus for Mac:

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

No security software is shown in the box and there are no other options aside from the Close button.

Why did this happen?

There are still remnants of the old Trend Micro program installed on your Mac.

What should I do next?

Uninstall the older version:

  1. Click Close.
  2. Open Spotlight, then type Trend Micro.
  3. Select Uninstall Trend Micro Antivirus.

    Uninstall Trend Micro Antivirus

    Enter your Mac credential when necessary.

    Uninstall Trend Micro Antivirus

  4. Click Uninstall.

    Uninstall Trend Micro Antivirus

  5. Install the program again.
Keywords: System Installation Check,system installation check mac,cannot install sytem installation check
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