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If you see an "Unable to Activate" error while trying to use the Trend Micro extension in Google Chrome, follow these steps to fix it.

Reason for the Error

This error occurs because your subscription has already been used to its limit, meaning all available slots are taken.

Steps to Fix the Error

To fix this, you need to free up a slot in your Trend Micro Account:

  1. Open the Trend Micro Account page.
  2. Log in with your email address and password.
  3. Find the activation code you used.
  4. Click the X icon next to the device you want to remove.
  5. Click Yes to confirm.


After freeing up a slot, you can use the activation code to register your extension again.

Purchased from Best Buy?

If you bought your Trend Micro subscription from Best Buy, contact the Best Buy Geek Squad for help with your subscriptions or to buy more subscriptions.

Keywords: Trend Micro, Google Chrome, activation error, serial number, free up seat
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