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

i worked on my project saved the work and closed visual studio 2010. when opened again for working i got this error i just closed visual studio again copied the file where my project was saved and i pasted it somwhere else (in a file on my desktop) and i opened again the project with VS2010 and it was working.