RPTA0009E

A Test could not be launched on Driver: %1 due to an internal error. Please see Problem Determination Log. For more information, see the Troubleshooting section of the online help.

An exception was thrown during an attempt to obtain the operating system attribute of the location asset.
Check the Error Log for further information on the error. To open the Error Log, click Window > Show View > Error Log. Open the location asset representing the agent computer in the Test Navigator, and verify that all information and properties are correct. Delete the location asset representing the agent computer in the Test Navigator, and create a new location asset. You might need to delete the location and create a new one, if the location asset representing the agent computer asset is corrupted.