I am experiencing a strange issue with VS2010. We use TFS to build our API dlls and we used to reference them in our projects usign a mapped network drive that was fully tru
Just in case like me, Unblock was not a solution, as Unblock does not appear on my dll file properties. Kept looking and ended up closing my solution file and re-opening using the local C: copy instead of network UNC path to project sln file. Was able to publish after going this route.