As mentioned in the product description, it is mandatory and necessary to completely uninstall Asobo's stock CYTZ product from the simulator for our product to work properly.
Unfortunately, the only way of uninstalling stock content is manually. To deactivate Asobo's CYTZ:
- Launch MSFS
- Navigate to your "Profile" Page
- Open the Content Manager
- Search for CYTZ
- Uninstall CYTZ - Billy Bishop Airport by Asobo Studio: