There is no pop-up window at the mac Marriott Hotel.

If there is no pop-up window when using Marriott Hotel app on Mac, it may be caused by the following reasons:

1. Network connection problem: First, please ensure that your device is connected to a stable network. If the network connection is unstable, the pop-up window may not be displayed normally.

2. Check your network settings: In the network settings of your device, please ensure that the permissions of Marriott Hotel app are allowed. This may require you to grant the application access to the network.

3. Cache or application error: If your device has a cache or application error, the pop-up window may not be displayed normally. You can try clearing the cache or reinstalling the application to solve the problem.

4. Application update: If your Marriott Hotel application is updated, please update it as soon as possible. Updates may fix errors in the application or improve its performance.

If you have tried the above steps and still can't solve the problem, please consider contacting Marriott Hotel Customer Service for more help and support.