So you want to use DCT (Domino Configuration Tuner), but each time you open the app you get following:



And an error message in the Status bar indicating "Unable to deploy 1 updated file (probably locked and in use)":



Well, the file isn't locked, it is a security feature provided by those goodly Microsoft folks. Good news is that  the fix is simple. Simply start Notes with the "Run as Administrator" option in Windows:



Voila, DCT. Happy scanning.