Indeed, Software Center is incorrectly sending the add-to-launcher signal to Unity when an install is cancelled. I'll close out the Unity side bug tasks as this is a bug on the Software Center side. Thanks everyone for your comments,, we'll work on this one very soon!
** Changed in: software-center (Ubuntu) Status: Confirmed => Triaged ** Changed in: unity Status: Triaged => Invalid ** Changed in: unity (Ubuntu) Status: Triaged => Invalid ** Changed in: software-center (Ubuntu) Milestone: None => ubuntu-12.10 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. Matching subscriptions: dp-unity https://bugs.launchpad.net/bugs/1027209 Title: Software center launcher integration - cancelled install is not removed from launcher Status in Unity: Invalid Status in “software-center” package in Ubuntu: Triaged Status in “unity” package in Ubuntu: Invalid Bug description: Release Ubuntu 12.10 (Radeon) Test case ID - Can 65 The icon is not removed from launcher even after the installation is cancelled. Follow the below steps to see the issue: See also attached screenshot. #. Open software-center #. Click on install on a big application like wesnoth #. Verify that the icon "flies" into the launcher #. Wait until the "In Progress" appears in the toplevel toolbar of s-c #. Click on the "In Progress" button in the toolbar #. Click on the "cancel" button of the install of the application Expected Result: The icon is removed from the launcher again after the download was canceled. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: unity 6.0.0-0ubuntu4 ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7 Uname: Linux 3.5.0-5-generic i686 ApportVersion: 2.4-0ubuntu3 Architecture: i386 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell] Date: Fri Jul 20 19:49:16 2012 InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120713.1) ProcEnviron: LANGUAGE=en_GB:en TERM=xterm PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1027209/+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