- Compatible with:
- Windows
- Available in:
- Desktop Security version 5
Error Message
Unable to contact update server. Please check your internet connection.
Error Code
MB404104
What caused the error message
You tried to install the app on your device, but an error occurred and the installer could not connect to the server to verify your app. The specific cause of this error is unknown, but could be caused by issues with your internet connection, network settings, or proxy settings.
How to resolve the error
Check your internet connection and restart the router if needed. You should also review our installation troubleshooting guide to rule out other issues. After checking your internet and troubleshooting other possibilities, try running the installer again. If you still receive the error message, submit a ticket with Support.