you can run Windows Store Apps Troubleshooter to get the issue resolved. After the troubleshooting process gets completed, check if you can open the Mail and Calendar app. Sometimes errors occur ...
each with its own countdown timer. When the tea is done Cuppa will let you know with a notification -- depending on your device settings, this may be accompanied by a sound and/or vibration. Cuppa ...
Following that, close the app by clicking the Close or red cross button. After that, it will open on the last opened monitor all the time. However, if it is not working, it is better to try out ...