How to use alarms and timers in the Clock app in Windows 10
How to use alarms and timers in the Clock app in Windows 10. To launch the app, select Start and select Clock from the app list or type its name into the search box. Alarms and timers work even if the app is closed or your device is locked.
Troubleshooting calls in the Phone Link - Microsoft Support
An error may appear because you may have paired your Android device to your PC with a third-party app, or your devices may be paired through a pre-installed app from your hardware manufacturer (like Intel Unison or Virtoo by LG). Some of these apps may conflict with your ability to make calls.