
This can happen if you are trying to install a game that requires a higher system firmware than what you currently have. You may need to update your Switch firmware using Daybreak .
After the installer confirms a "Success," the Hello Neighbor icon will appear on your Switch home screen. HELLO-NEIGHBOR-NSP-ROMSLAB.rar
This usually means your sigpatches are outdated. Update them to match your current firmware version. This can happen if you are trying to