program launches displaying a list of 40 packages to remove, but display as 'cannot process because synaptic or other update manger is running', which is not the case (confirmed with system monitor).
Running from terminal partially works, yields error messages;
~$ sudo computer-janitor clean --all
ERROR:dbus.proxies:Introspect error on :1.78:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.AccessDenied: Rejected send message, 1 matched rules; type="method_call", sender=":1.122" (uid=0 pid=4082 comm="/usr/bin/python /usr/sbin/computer-janitor clean -") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination=":1.78" (uid=0 pid=3128 comm="/usr/bin/python /usr/share/computerjanitor/janitor")
processing.... done.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: computer-janitor 2.1.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.0.0-15.26-generic 3.0.13
Uname: Linux 3.0.0-15-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
CheckboxSubmission: 3f05f4c2ad33795bd2ea179065fdea51
CheckboxSystem: efd05939b08abfe86caa44c3820f8e56
Date: Wed Feb 29 11:48:12 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
SourcePackage: computer-janitor
UpgradeStatus: No upgrade log present (probably fresh install)
re "UpgradeStatus: No upgrade log present (probably fresh install)";
this has been a problem for a while, well before the upgrade to 11.10 (initially installed ubuntu 9.04)