http://msmvps.com/blogs/carlosq/archive/2008/05/22/the-strange-case-of-system-unauthorizedaccessexception-when-registering-a-visual-studio-add-in-for-com-interop.aspxToday I received a bug report for a new customer of my MZ-Tools add-in for Visual Studio (who purchased directly the product without trying the trial version) and the first thing that he encountered when running the setup was: System.UnauthorizedAccessExceptionenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/carlosq/archive/2008/05/22/the-strange-case-of-system-unauthorizedaccessexception-when-registering-a-visual-studio-add-in-for-com-interop.aspx#1625966Thu, 22 May 2008 13:28:14 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1625966Visual Studio Hacks<p>My latest in a series of the weekly, or more often, summary of interesting links I come across related to Visual Studio. Carlos Quintero posted links to help solve a System.UnauthorizedAccessException when registering a Visual Studio add-in for COM Interop</p> <img src="http://msmvps.com/aggbug.aspx?PostID=1625966" width="1" height="1">