How to fix webcam issue after windows 10 1803 update
IMPORTANT: If you have installed the last Windows 10 April 2018 Update (1803), and you have problems with your webcam, please follow this tutorial to fix it:
http://www.tomshardware.co.uk/faq/id-3705723/fix-microphone-webcam-quit-working-windows-1803-update.html