Microsoft have released a cumulative update for the latest Windows 10 Insider build. KB3158988 fixes a number of issues on the PC including a problem with Microsoft Edge not closing and it fixes issues with devices bluescreening.
Details from Microsoft:
We are also releasing an update for this build (KB3158988) that fixes the issue that occurs where you can’t close Microsoft Edge or get context menus to work if you turn off all extensions without uninstalling them. It also includes a couple of fixes for some issues causing some devices to bugcheck (Bluescreen).