Microsoft’s update for version 1607 doesn’t fix two widespread problems with Windows 10 Anniversary Update, and it causes problems with PowerShell DSC operations

Source: Windows 10 cumulative update KB 3176934 breaks PowerShell

This update contained a fix for the borked update below:

The Windows 10 Anniversary Update has reportedly broken millions of webcams. If your webcam has been affected, there’s a workaround to get it back if you don’t mind tweaking your registry a bit.

Source: Windows 10 Anniversary Update Broke Millions of Webcams, Here’s How to Fix It