http://blogs.msdn.com/b/eric_carter/archive/2009/05/08/if-you-are-using-windows-7-rc-and-vsto-you-better-read-this.aspxSaurabh blogs about how to work around an error you get if you published a VSTO solution using VS2008 on a machine running the Windows 7 RC and then you try to install the solution on any machine you will see the following error: “The required versionen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/eric_carter/archive/2009/05/08/if-you-are-using-windows-7-rc-and-vsto-you-better-read-this.aspx#9596128Fri, 08 May 2009 10:10:25 GMT91d46819-8472-40ad-a661-2c78acb4018c:9596128If you are using Windows 7 RC and VSTO you better read this | Microsoft Share Point<p>PingBack from <a rel="nofollow" target="_new" href="http://microsoft-sharepoint.simplynetdev.com/if-you-are-using-windows-7-rc-and-vsto-you-better-read-this/">http://microsoft-sharepoint.simplynetdev.com/if-you-are-using-windows-7-rc-and-vsto-you-better-read-this/</a></p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=9596128" width="1" height="1">