- Compatible with:
- macOS
- Available in:
- Desktop Security version 5
Error Message
License key inactive. This license key has been refunded.
Error Code
MB403105
What caused the error message
Before you tried to activate your subscription on your macOS device, you asked for a refund and received it. Because your subscription was refunded, you can no longer use the license key to activate.
How to resolve the error
To use the app's advanced features on your macOS device, you will need to purchase a new subscription. Check out our Pricing page to see available plans. Then follow the steps in our Activate your subscription for Desktop Security article.