Reference in the manifest does not match the identity of the downloaded assembly
There was an issue with Visual Studio 2008 which is solved by not embedding the default manifest - one of the comments on that article suggests the problem still exists in Visual Studio 2010.
In project properties -> Application tab -> Resources -> checkbox Icon and manifest, the setting "Embed manifest with default settings" caused the problem. Setting it to "Create application without a manifest" fixes the problem.
solution 2:
如何可以的话,可以将被引用工程类型改为class library后再被引用到别的工程中