Common issues and what to do about them.
- "The developer cannot be verified": use the control-click → Open steps in Chapter 3.
- External display doesn't appear in the list: check the cable connection, then click "Refresh Display List".
- A video won't import: it may use a codec AVFoundation doesn't support; try converting it to a common format.
- The export button is disabled: it requires an active license — check your status on the activation screen.
License-related error messages
- Subscription expired / Trial expired: please purchase or renew to keep using the app; use the "Purchase" button.
- This license is bound to a different Mac / device limit reached: follow the device-limit steps in Chapter 4 to deactivate a Mac you no longer use.
- This license has been revoked / suspended: please contact support.
- Couldn't reach the license server: check your internet connection; if you're still within your valid period, you can keep working offline.
If this doesn't resolve your issue, please reach out via Contact.