Fix "System Installation Check" error on Mac

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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.

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

Uninstall the older version:

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

Enter your Mac credential when necessary.
Click Uninstall.
Install the program again.

Keywords: System Installation Check,system installation check mac,cannot install sytem installation check

LAST UPDATED: JUL 25, 2025

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.

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

Uninstall the older version:

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

Enter your Mac credential when necessary.
Click Uninstall.
Install the program again.

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