Ubuntu - How to update snap store

 

frank@ZZHUBT:~$ sudo snap refresh snap-store
error: cannot refresh "snap-store": snap "snap-store" has running apps
       (snap-store), pids: 2979

frank@ZZHUBT:~$ kill -9 2979

frank@ZZHUBT:~$ sudo snap refresh snap-store
snap-store 41.3-72-g80e7130 from Canonical✓ refreshed