The utility for any serious Windows tweaker! Change hundreds of registry settings from Windows XP improving appearance performance and functionality. Prevent others from changing your settings increase Windows security. Lock down Control Panel applets Internet Explorer options even choose which applications can or cant be run on the computer. You can change Windows XP system performance by selecting to keep the Windows XP core system in memory and not paged to disk (advisable only if you have 512MB RAM or more). You can also optimize the CPU and memory usage for Programs System cache or background services. When you are logged into a Windows XP administrator account Tweaking Toolbox XP can adjust settings for all users on the local machine without logging into each user account separately. Just select which users profile you want to change the settings for and off you go. New in version 2.1 is the ability to import export settings so you can easily configure multiple systems the ability to configure Windows XP SP2s Security Center & firewall settings.