Symptoms
I have installed K2 studio on my pc (Windows 7 ) without problem
I have removed the application using the remove program of the k2 setup manager without problem.
If now I try to reinstall again k2Studio the procedure doesn't ask me the installation type and folder but ask me a license .
Diagnoses
Please see the below article there might be some remnants of the previous setup still on the pc that needs to be removed.
http://help.k2.com/kb000216
Resolution
I haved delete the registry key, located at HKEY_LOCAL_MACHINE > SOFTWARE > SourceCode and the problem is solved.