You encounter the following error message after installing Trend Micro Antivirus for Mac:

Helper Tool Required

"Helper Tool Required"

Please follow the on-screen instructions to install a helper tool so that Trend Micro Antivirus can protect your computer properly.

This message appears because Apple introduced a more secure paradigm for performing tasks with elevated privileges. Without the Privileged Helper Tool, Antivirus for Mac cannot launch and do a scan to protect your computer from threats.

Install Helper Tool

  1. Click Close. A pop up window will appear.
  2. Type your administrator password, and then click Install Helper.

    Helper Tool Required | Enter Password

    If there is no Helper Tool installed, this pop up window will show every time you restart your Mac or reopen the Antivirus for Mac Application.

    If you accidentally clicked Cancel. You will see this error message:

    Helper Tool Required | Try Again

    1. Click Try Again.
    2. Enter your password.
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