I am trying to build a ClickOnce Windows Forms project (.NET 3.5 / Visual Studio 2010) on a Windows Server computer. (In an effort to automate the build process with Hudson
I had same Problem, couldn't import on TFS machine. Turns out I had to export it on developer machine (project properties, signing page, click on more details)
in more detail -> tab details and then just export with a password. Copy that exported file to TFS and use same password: done