- Compatible with:
- macOS
- Available in:
- Desktop Security version 5
Error Message
Network error. Unable to contact the license server. Check your network connection and try again.
Error Code
MB404104, MB405105, MB406100
What caused the error message
You tried installing the app on your device with an unstable internet connection or no internet connection. Since the installer could not connect to the server to verify your subscription, you received the error code and message above.
How to resolve the error
Check your internet connection and restart the router if needed. After checking your internet, try running the installer again. If you still receive the error message, submit a ticket with Support.