I was given a fix via AskUbuntu. Removing ~/.cache/banshee-1 did the trick. The problem is, it doesn't work for some people.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to banshee in Ubuntu. https://bugs.launchpad.net/bugs/851290 Title: Banshee fails to start Status in “banshee” package in Ubuntu: Confirmed Bug description: Output: http://pastebin.com/C2DKkxZA Banshee fails to start at all in the latest update. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: banshee 2.1.4-1ubuntu1 ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4 Uname: Linux 3.0.0-10-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 1.23-0ubuntu1 Architecture: amd64 Date: Thu Sep 15 16:19:11 2011 SourcePackage: banshee UpgradeStatus: Upgraded to oneiric on 2010-01-19 (603 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/banshee/+bug/851290/+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