The Windows 10 Anniversary Update, which began rolling out on August 2, came with some unfortunate side effects for some users—it killed their webcam.
The update also caused some devices to unintentionally freeze up.
The reason for this behavior seems to rest in the changes that were made to how the OS access the camera in the Anniversary update.
Before the update, only one application could access the camera at a time.
With the Anniversary update, also known as version 1607, a new service called the Windows Camera Frame Server allows for multiple connections at once, and that's causing some problems.
As noted by Ars Technica, the new Windows Camera Frame Server only supports uncompressed data.