SUMMARY roland@roland-HP-EliteDesk-800-G2-SFF:~$ opera You need to connect this snap to the gnome platform snap. You can do this with those commands: snap install gnome-3-28-1804 snap connect opera:gnome-3-28-1804 gnome-3-28-1804 roland@roland-HP-EliteDesk-800-G2-SFF:~$ snap install gnome-3-28-1804 snap "gnome-3-28-1804" is already installed, see 'snap help refresh' roland@roland-HP-EliteDesk-800-G2-SFF:~$ snap connect opera:gnome-3-28-1804 gnome-3-28-1804 roland@roland-HP-EliteDesk-800-G2-SFF:~$ opera You need to connect this snap to the gnome platform snap. You can do this with those commands: snap install gnome-3-28-1804 snap connect opera:gnome-3-28-1804 gnome-3-28-1804 roland@roland-HP-EliteDesk-800-G2-SFF:~$ STEPS TO REPRODUCE 1. open a terminal window 2. type opera 3. OBSERVED RESULT roland@roland-HP-EliteDesk-800-G2-SFF:~$ opera You need to connect this snap to the gnome platform snap. You can do this with those commands: snap install gnome-3-28-1804 snap connect opera:gnome-3-28-1804 gnome-3-28-1804 EXPECTED RESULT Opera should start SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: 5.17 (available in About System) KDE Plasma Version: 5.17.2 KDE Frameworks Version: 5.63.0 Qt Version: 5.13.1 ADDITIONAL INFORMATION Operating System: KDE neon 5.17 KDE Plasma Version: 5.17.2 KDE Frameworks Version: 5.63.0 Qt Version: 5.13.1 Kernel Version: 5.0.0-36-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i7-6700 CPU @ 3.40GHz Memory: 23.3 GiB of RAM