Activation Code Only Works for Trend Micro Best Buy/ISP installers

You may encounter the following error message while trying to activate your Trend Micro product:

"This Activation Code is for another Trend Micro product. Make sure the Activation Code is correct and try again."

"This Serial Number works for another edition Trend Micro security software."

Why Did This Happen?

You installed a Trend Micro program that is not compatible with your activation code. But don't worry; we've got you covered.

What Should I Do Next?

Here are the steps to resolve this issue:

1. Close the program:
   First, close the program displaying the error message. We'll need to make some changes.
2. Download and install Trend Micro Security:
   • If you purchased the program through Best Buy, download this installer below:

     Download Trend Micro for Best Buy on Windows

   • If your program is included in your Internet Security Provider subscription, choose the appropriate version based on the activation code it starts with:
     • TXEF: Download Trend Micro Maximum Security for ISP
     • TOEF: Download Trend Micro Internet Security for ISP
     • TAEF: Download Trend Micro Antivirus+ Security for ISP
3. Double-click the downloaded installer file to start.
   If you are not sure where to find it, it is likely in the Downloads folder.
4. Follow the remaining prompts, then wait for the installation to complete.
   You may be prompted to enter some information; kindly provide them as needed.

If you followed these steps and still encounter issues or have questions or you're an M1 subscriber experiencing issues, don't hesitate to reach out to our Technical Support team. We're here to help you every step of the way, ensuring that your Trend Micro product works flawlessly.