Magic Tweak is a very useful application for customizing Windows in terms of usage. You can tweak the Start Menu and Windows Explorer, change System icons and System folder locations, change user information, cut access to disk drives, optimize network connections, customize Internet Explorer options, edit security levels by cutting access to regedit.exe, context menus for the taskbar, etc. The is also a Utilities section that provides management of startup applications, add/remove programs, protects you privacy by cleaning Internet Explorer history and recently used files, hides items from the start menu, desktop or folders, and you can restrict users from running different applications. 
Posted in Tweaking