Press Command+Option+Escape on the keyboard.
Select Garmin Express from the list of applications.
Select Force Quit.
The Garmin Express program will now be closed.
USB communication issues can prevent your Garmin Approach® golf product from being detected by the Garmin Express™ program.
Below are items to check and troubleshooting steps to try.
Visit the Garmin Express section of Support Center and you will find the available Product Support contact options in the Contact Us for More Help section.