Visual Studio 2010: Could not resolve mscorlib for target framework '.NETFramework,Version=v4.0'

Question

We are currently migrating all our solutions from 2005 to 2010 (that\'s right, we\'re skipping 2008!). We are also changing our file structure to make some more sense (some

Answer 1

Check that the target framework in the project properties is set correctly - by default this is ".Net Framework 4.0 Client" - it may be that you require ".Net Framework 4.0"

see this thread that looks like the same issue

you may also want to review this article which relates to debugging an issue with the same symptom using reflector