The Cleaner One Pro activation code is a one-time use code, even on the same device. We'll provide a replacement code instead.
- Send email to mac_support@trendmicro.com.
- Provide your serial number/activation code.
- Get a new replacement from the engineer.
- The engineer will verify the expiration date.
- Your old serial number/activation code will be deactivated upon receipt of the new license.
- The expiration date of the new serial number/activation code will be updated upon activation.