TF200040: You cannot delete a team project with your version of Team Explorer

Note: The information in this article applies to Team Foundation Server 2010.

Full error:

TF200040: You cannot delete a team project with your version of Team Explorer. Contact your system administrator to determine how to upgrade your Team Explorer client to the version compatible with Team Foundation Server.

In order to remove a Team Project, you must have a compatible version of the TFSDeleteProject executable available on your system. Please review the "Delete a Team Project" article for more information.