The CallGraph Skype recorder is built on the Skype Desktop API. Some parts of the API was deprecated by Microsoft last year. The announcement can be found at the following link. http://blogs.skype.com/2013/11/06/feature-evolution-and-support-for-the-skype-desktop-api/ Fortunately CallGraph did not use those APIs and was still working. With the 188.8.131.52 Skype update however, it seems that some more APIs have been removed… Continue reading Skype Desktop API Disabled?