- Compatible with:
- Windows,
- macOS
- Available in:
- Desktop Security version 5
Error Message
Installation token not found.
Error Code
MB404101
What caused the error message
You tried activating your app subscription with a license key, but it was missing an installation token. Without this token, the app could not confirm your subscription was valid and you received the error message above.
How to resolve the error
A missing installation token cannot be fixed on the app. To resolve this issue, you will need to contact Support.