Reflections on having multiple versions of NetCF on your devicehttp://blogs.msdn.com/b/netcfteam/archive/2007/09/08/reflections-on-having-multiple-versions-of-netcf-on-your-device.aspxAndrew Arnott discusses which versions of the .NET Compact Framework can be side-by-side installed, and which version will run your NetCF app on his blog.en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)