This workaround solved it for me, my result from $ apt-cache policy xfce4-session exo-utils:
xfce4-session: Installed: 4.12.1-3ubuntu3 Candidate: 4.12.1-3ubuntu3 Version table: *** 4.12.1-3ubuntu3 500 500 http://no.archive.ubuntu.com/ubuntu bionic/universe i386 Packages 100 /var/lib/dpkg/status exo-utils: Installed: 0.12.2-0ubuntu0.18.04.1 Candidate: 0.12.2-0ubuntu0.18.04.1 Version table: *** 0.12.2-0ubuntu0.18.04.1 500 500 http://no.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages 100 /var/lib/dpkg/status 0.12.0-1 500 500 http://no.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
This workaround solved it for me, my result from $ apt-cache policy xfce4-session exo-utils:
xfce4-session: no.archive. ubuntu. com/ubuntu bionic/universe i386 Packages dpkg/status 0ubuntu0. 18.04.1 0ubuntu0. 18.04.1 0ubuntu0. 18.04.1 500 no.archive. ubuntu. com/ubuntu bionic- updates/ universe i386 Packages dpkg/status no.archive. ubuntu. com/ubuntu bionic/universe i386 Packages
Installed: 4.12.1-3ubuntu3
Candidate: 4.12.1-3ubuntu3
Version table:
*** 4.12.1-3ubuntu3 500
500 http://
100 /var/lib/
exo-utils:
Installed: 0.12.2-
Candidate: 0.12.2-
Version table:
*** 0.12.2-
500 http://
100 /var/lib/
0.12.0-1 500
500 http://