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Having trouble with your Malwarebytes Antivirus

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Q1: Please Choose Your Malwarebytes Product:

Product key not working

Sometimes the product key or license key does not work and causes a problem with the activation of the device. Typically, these activation errors in Malwarebytes arise due to small errors, like an incorrect or missing character.


  • You have entered your license key incorrectly, and it is preventing you from activating the product.
  • The product or license key is not compatible with the product you want to activate.
  • The product key may have expired, been used too many times, or been blocklisted.
  • The activation limit for the product key is finished. 
  • Network issue or unstable internet connection


If you are having trouble activating Malwarebytes, the steps below may assist you in resolving the problem.

Solution 1: Check your product key

The first step is to check whether you have entered the right key or not. People may make mistakes while typing the key, such as missing some characters. This issue usually happens when you copy and paste. Hence, manually typing the product key is always a better choice.

Solution 2: Check your key validity

Sometimes, your product key has expired or reached its maximum activation limit. In this case, you need to check its validity. You can check the validity through the documents you got during the purchase or contact your vendor.

Solution 3: Check your system compatibility

Verify that your product key is compatible with the Malwarebytes version you are using. As there are certain product keys compatible with specific versions. Hence, confirm that you have the correct version of software installed on your system that is compatible with your product key.

Solution 4: Product key activation limit finished

The product key has a defined number of activation limits. Hence, if you have already used the product key multiple times, it may not work. In this case, you are required to have a new activation key or renew the previous one. Therefore, it would be better to get help from the Malwarebytes support center.

Solution 5: Uninstall conflicting programs

A conflicting program or software often interferes with the normal functioning of your Malwarebytes software. Hence, you need to find those programs and uninstall them. Also, clear the cache and temporary files to increase the probability of resolving the issue.

Solution 6: Ensure a stable internet connection

An unstable internet connection might disturb your Malwarebytes functioning. Hence, it's always important to have a stable internet connection.

Solution 7: Reinstall Malwarebytes

If the above methods don't bring any positive results, it's time to reinstall Malwarebytes. To do this, remove or uninstall the Malwarebytes software on your computer. Restart your computer and download and install the latest version of Malwarebytes. By doing this, your product key issue may be resolved.

Antivirus Support

Frequently Asked Questions (FAQ's)

Once Malwarebytes for Windows is activated, you can see the premium at the top left corner of the screen. Malwarebytes for Windows Premium starts running threat scans and enables real-time protection. The activation may take a few minutes to complete.

There can be several reasons you may be unable to open Malwarebytes. But you can fix it by following some simple steps. For instance, you can run Malwarebytes as an administrator, reinstall Malwarebytes, run Malwarebytes in Safe Mode, or create a new user account.

To activate Malwarebytes on another device, you have to share the subscription.
  • First, log in to My Account.
  • Go to the Subscription tab and click on a subscription card with an available device.
  • Now, click on "Add Device."
  • Then, select Add another device in the pop-up window.

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