http://blogs.msdn.com/jongallant/archive/tags/visual+studio/default.aspxTags: visual studioen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jongallant/archive/2009/12/02/solution-to-the-exception-the-data-necessary-to-complete-this-operation-is-not-yet-available-when-debugging-windows-mobile-apps.aspxWed, 02 Dec 2009 22:36:14 GMT91d46819-8472-40ad-a661-2c78acb4018c:9931656jongallant0http://blogs.msdn.com/jongallant/comments/9931656.aspxhttp://blogs.msdn.com/jongallant/commentrss.aspx?PostID=9931656http://blogs.msdn.com/jongallant/rsscomments.aspx?PostID=9931656&#160; The exception &quot;the data necessary to complete this operation is not yet available&quot; can mean that the app you are trying to debug is already running on the device.&#160; Go to the device, close the app and try again. HTH Jon...(<a href="http://blogs.msdn.com/jongallant/archive/2009/12/02/solution-to-the-exception-the-data-necessary-to-complete-this-operation-is-not-yet-available-when-debugging-windows-mobile-apps.aspx">read more</a>)<img src="http://blogs.msdn.com/aggbug.aspx?PostID=9931656" width="1" height="1">solution.netdebugvisual studiomobiledevmobilehttp://blogs.msdn.com/jongallant/archive/2009/11/23/solution-to-the-exception-connection-failed-the-device-security-configuration-disallowed-the-connection-ensure-that-you-have-the-appropriate-certificates-on-your-device-for-development-review-your-sdk-documentation-for-proper.aspxMon, 23 Nov 2009 11:35:13 GMT91d46819-8472-40ad-a661-2c78acb4018c:9927212jongallant0http://blogs.msdn.com/jongallant/comments/9927212.aspxhttp://blogs.msdn.com/jongallant/commentrss.aspx?PostID=9927212http://blogs.msdn.com/jongallant/rsscomments.aspx?PostID=9927212You will get this exception if you try to debug on a physical device from Visual Studio and haven’t install the debug certificates. “Connection failed. The device security configuration disallowed the connection. Ensure that you have the appropriate certificates...(<a href="http://blogs.msdn.com/jongallant/archive/2009/11/23/solution-to-the-exception-connection-failed-the-device-security-configuration-disallowed-the-connection-ensure-that-you-have-the-appropriate-certificates-on-your-device-for-development-review-your-sdk-documentation-for-proper.aspx">read more</a>)<img src="http://blogs.msdn.com/aggbug.aspx?PostID=9927212" width="1" height="1">solutiondebugwindows mobilevisual studiohttp://blogs.msdn.com/jongallant/archive/2008/11/19/solution-to-the-sql-server-2008-with-visual-studio-2008-sp1-install-exception-sql-server-2008-setup-requires-net-framework-3-5-to-be-installed.aspxWed, 19 Nov 2008 22:42:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:9125660jongallant1http://blogs.msdn.com/jongallant/comments/9125660.aspxhttp://blogs.msdn.com/jongallant/commentrss.aspx?PostID=9125660http://blogs.msdn.com/jongallant/rsscomments.aspx?PostID=9125660You would have never guess this by the error message, but ""SQL Server 2008 setup requires .NET Framework 3.5 to be installed" when you have Visual Studio 2008 SP1 installed means that you need to install Windows Installer 4.5, which can be found here:...(<a href="http://blogs.msdn.com/jongallant/archive/2008/11/19/solution-to-the-sql-server-2008-with-visual-studio-2008-sp1-install-exception-sql-server-2008-setup-requires-net-framework-3-5-to-be-installed.aspx">read more</a>)<img src="http://blogs.msdn.com/aggbug.aspx?PostID=9125660" width="1" height="1">solutionsql server 2008visual studio