This shows up on errors.ubuntu.com in the software-center subpage as the top #5 crasher, so I mark it as confirmed as its definitely affecting more people.
** Visibility changed to: Public ** Changed in: aptdaemon (Ubuntu) Status: Incomplete => Confirmed ** Changed in: aptdaemon (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. https://bugs.launchpad.net/bugs/981124 Title: software-center crashed with TypeError in _on_property_changed(): could not convert type dbus.Int64 to (null) required for parameter 0 Status in “aptdaemon” package in Ubuntu: Triaged Status in “software-center” package in Ubuntu: Incomplete Bug description: Crash happened after installing the Synergy 1.4.8 beta package. ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: software-center 5.1.14.2 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14 Uname: Linux 3.2.0-23-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.0.1-0ubuntu2 Architecture: i386 CrashCounter: 1 Date: Fri Apr 13 15:08:45 2012 ExecutablePath: /usr/share/software-center/software-center InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) InterpreterPath: /usr/bin/python2.7 PackageArchitecture: all ProcCmdline: /usr/bin/python /usr/bin/software-center /home/username/Downloads/synergy-1.4.8-Linux-i686.deb ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash PythonArgs: ['/usr/bin/software-center', '/home/username/Downloads/synergy-1.4.8-Linux-i686.deb'] SourcePackage: software-center Title: software-center crashed with TypeError in _on_property_changed(): could not convert type dbus.Int64 to (null) required for parameter 0 UpgradeStatus: Upgraded to precise on 2012-03-07 (36 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/981124/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp