MZ-Tools Articles Series: BUG: Standard user unable to load/unload COM-based add-ins registered for all users with the VS 2008 Add-in Manager on Windows Vistahttp://msmvps.com/blogs/carlosq/archive/2008/09/17/mz-tools-articles-series-bug-standard-user-unable-to-load-unload-com-based-add-ins-registered-for-all-users-with-the-vs-2008-add-in-manager-on-windows-vista.aspxAlmost a couple years ago I wrote an article The Add-In Manager of Visual Studio 2005 got broken...and won&#39;t be fixed for SP1 and while Visual Studio 2008 fixed that problem, it has introduced a new one when running on Windows Vista, and guess whatenCommunityServer 2008.5 SP2 (Build: 40407.4157)The strange case of "No such interface supported" (Error 80004002) loading a Visual Studio add-inhttp://msmvps.com/blogs/carlosq/archive/2008/09/17/mz-tools-articles-series-bug-standard-user-unable-to-load-unload-com-based-add-ins-registered-for-all-users-with-the-vs-2008-add-in-manager-on-windows-vista.aspx#1649153Mon, 29 Sep 2008 13:37:02 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1649153Carlos Quintero (Microsoft MVP) blog<p>Some days ago I received an angry complaint from a prospect of the trial version of my MZ-Tools add-in</p> <img src="http://msmvps.com/aggbug.aspx?PostID=1649153" width="1" height="1">