- Compatible with:
- Windows
- Available in:
- Desktop Security version 5
Error Message
This license key doesn't match our records or has expired. Please purchase a new subscription and try again.
Error Code
MB404102
What caused the error message
While activating your subscription in the app using a license key, the app could not verify your license key. This may be because you mistyped your key or because your key has expired.
How to resolve the error
Check your license key details and review the tips in our Unable to activate a subscription with a license key article. Then try entering your license key again. If you still receive the error message, you will need to purchase a new subscription. Check out our pricing page to view available plans.