Hi Greg,
With the "specific login", can you navigate to the assemblies location? (C:\Program Files (x86)\DevForce 2010\DesktopAssemblies)
Also, are you running VS 2010 as Admininstrator when using it with the "specific login"? (you'll be able to see it in the title bar)
Silvio.
Edited by sbelini - 25-Jul-2011 at 9:19am