I have this problem also.
$ lsb_release -rd Description: Ubuntu 22.04 LTS Release: 22.04
$ apt-cache policy firefox firefox: Installed: (none) Candidate: 1:1snap1-0ubuntu2 Version table: 1:1snap1-0ubuntu2 500 500 http://gb.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
I am using the Cinnamon desktop. If I switch to the Gnome desktop the problem does not arise.
I have this problem also.
$ lsb_release -rd
Description: Ubuntu 22.04 LTS
Release: 22.04
$ apt-cache policy firefox 1snap1- 0ubuntu2 500 gb.archive. ubuntu. com/ubuntu jammy/main amd64 Packages
firefox:
Installed: (none)
Candidate: 1:1snap1-0ubuntu2
Version table:
1:
500 http://
I am using the Cinnamon desktop. If I switch to the Gnome desktop the problem does not arise.