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You may get this message after installing Trend Micro Antivirus for Mac:

Cannot install helper tool. The helper tool is needed to open Trend Micro Antivirus. Please try again.

Why did this happen?

Without the Privileged Helper Tool, Antivirus for Mac cannot launch and do scans to protect your computer from threats.

How do I fix this?

  1. Restart your macOS computer.
  2. Launch Trend Micro Antivirus for Mac from the Launchpad.

    Antivirus for Mac Launchpad

  3. Enter your password, and then click Install Helper.

    Install Helper Tool

    You will now be able to see the Antivirus for Mac main console.


Having problems?
Here are some answers you might be looking for:


It says "Something went wrong".

Helper Tool | Something went wrong

  1. Click OK.
  2. Enter your password.

If you already clicked OK, but there is no pop up notification to type your password, restart your Mac, then open the Antivirus for Mac and wait for the pop up to install the Helper Tool.

If the pop up does not show even after restart, contact Trend Micro Support.

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