User Control - Version 2007 5.1 User Control allows you to block any undesired window title or any application / EXE-file. On the Internet you can define exactly which contents shall be allowed and which not. You can also explicitly allow only authorized applications and/or Internet addresses. Block the varied Windows systems areas (such as system control, setting on start menu, downloads from IE, Windows settings, etc.) with just a few mouse clicks. Network and multi-user capacity. Lock also your desktop and disallow moving, renaming or deleting icons or changing wallpapers.