software and update not opening in ubuntu 20.04 lts code example

Example: ubuntu software not showing apps 20.04

sudo apparmor_parser -r /etc/apparmor.d/*snap-confine*
sudo apparmor_parser -r /var/lib/snapd/apparmor/profiles/snap-confine*
sudo apparmor_parser -r /var/lib/snapd/apparmor/profiles/*