This bug was fixed in the package screen - 4.0.3-14ubuntu2
--------------- screen (4.0.3-14ubuntu2) maverick; urgency=low
* debian/screen-cleanup.upstart, debian/init: convert screen to an upstart script to fix some bugs where /var/run is not mounted when screen-cleanup runs, LP: #574773 -- Dustin Kirkland <email address hidden> Mon, 14 Jun 2010 08:13:33 -0500
This bug was fixed in the package screen - 4.0.3-14ubuntu2
---------------
screen (4.0.3-14ubuntu2) maverick; urgency=low
* debian/ screen- cleanup. upstart, debian/init: convert screen to an
upstart script to fix some bugs where /var/run is not mounted when
screen-cleanup runs, LP: #574773
-- Dustin Kirkland <email address hidden> Mon, 14 Jun 2010 08:13:33 -0500