Based on your kern.log, the file being blocked is /usr/lib/icecat-3.5.3/icecat (AppArmor determines the real path of symlinks). As such, please add to /etc/apparmor.d/abstractions/ubuntu-browsers:
/usr/lib/icecat-*/icecat Ux,
Then perform in a terminal:
$ sudo apparmor_parser -r -W -T /etc/apparmor.d/usr.bin.evince
elrond,
Based on your kern.log, the file being blocked is /usr/lib/ icecat- 3.5.3/icecat (AppArmor determines the real path of symlinks). As such, please add to /etc/apparmor. d/abstractions/ ubuntu- browsers: lib/icecat- */icecat Ux,
/usr/
Then perform in a terminal: d/usr.bin. evince
$ sudo apparmor_parser -r -W -T /etc/apparmor.