For some reason, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop is set on some of these machines, which means my previous snippet to set it in

http://blogs.msdn.com/b/timid/archive/2014/02/19/meatball-surgery-the-taskbar-toolbars-and-you.aspx

… won’t work.  Here’s a brain-dead one-liner to delete the key so it will work

reg delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop /f