I had an issue today where the explorer.exe wouldn't start and all I would have is a black screen with functioning mouse. I checked around online, thanks to Task Manager I was able to launch apps, and found that the KB3035131 was the cause of my issue. Using TM again I was able to open Control Panel and access the Programs and Features window and uninstalled that update. Windows is working just fine without it... after reboot of course. Could see if that might be the issue.