Skype stopped working post Build 9860 installation and now Microsoft team has suggested a workaround.
This is an issue with the Webcam Privacy settings in Build 9860. To work around the issue you will need to give Skype permission to use your webcam through “PC settings”.
- Close the Skype App
- Launch “PC settings”
- Select “Privacy”
- Select “Webcam”
Locate Skype in the app list and move the slider to the “On” position
Read all about Windows 10 Technical preview here.