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Having trouble with your Trend Micro Antivirus

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Q1: Please Choose Your Trend Micro Product:

Product key not working

In some unusual conditions, there can be some challenges if you try to activate the product key. There are various reasons to face this issue on your device. You can use the proper methods to fix this issue if you know the exact cause behind this issue. Thus, in the following content, you will attain an in-depth understanding of the causes and solutions of this issue.


  • The product key is already used- The primary reason to face problems in using the product key of your Trend Micro product is that it has already been used. 
  • Enter the wrong product key- Another common reason for the Trend Micro product key not working is that you mistakenly enter the wrong product key. 

Solution 1. Check if the product key is not already been used.

  1. First and foremost, visit the official website of Trend Micro on your computer device. 
  2. After that, you need to enter the email address and password, then click on the sign-in option. 
  3. Next, you have to remove the protection from your old computer device. 
    • Go to the license tab, then check for your ongoing subscription. 
    • After that, you need to select Manage Device + and then take your mouse on the device you want to remove. 
    • Now, tap on the X icon located in the upper right corner of the screen. 
    • After that, select the Yes option. 
  4. Now you are required to open the Mobile Security app. 
  5. And then, choose the Buy/Activate option. 
  6. Lastly, select Use an Activation Code, and then you can enter your activation code. 

Solution 2. Make sure you are entering the exact product key.

  1. First, you are required to take the activation key card. 
  2. Open the field where you need to enter the code. 
  3. Carefully see all the numbers in the code and enter them precisely on the field. 
  4. After that, if the product key is working or not. 
  5. If you are still facing the issue, you can try to connect to your retailer from where you purchased the product. Also, you can contact Trend Micro customer service.
Antivirus Support

Frequently Asked Questions (FAQ's)

The process to activate the Trend Micro key without auto-renewal is as follows-
  1. First of all, you need to visit the official website of Trend Micro on any internet browser. 
  2. Then, enter the email ID and password of your Trend Micro account to sign into your account. 
  3. Now, you are required to go to the Licence tab.
  4. On the license tab, you are required to select the Cancel Subscription button.
  5. Lastly, you need to confirm your actions by clicking on the Stop Now option.

The below process explains the steps of transferring the Trend Micro license to another computer-
  1. Double-click on the Trend Micro application icon to open it. 
  2. After that, you need to select the option Protect another device and then choose to Add a device. 
  3. Now, you need to type the email address on which you want to receive the invitation to download the Trend Mirco application. 
  4. Once you enter the email address into its specific field, click the Send option. 
  5. In the next step, you need to go to the secondary computer device and open the invitation email. 
  6. Click on the link to download and install Trend Micro on that device. 
  7. When the download is complete, follow the on-screen instructions to start using the Trend Micro on your other device.

You will be able to use the Trend Micro antivirus software on your device even if you do not renew its services. However, you do not receive updates on its features and technical support. Also, not renewing also does not offer you security updates on your device, and the software will not be able to provide security from potential threats thoroughly.

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