Windows Total Control is mainly a security tool for Windows. It can disable all services which might be a security-risk for your computer.
Windows Total Control also includes privacy features for Internet Explorer, Media Player, and of course: Mozilla Firefox.

Key Features:

     Protects agains viruses, worms and malicious       code by disabling unsecure operating system       components.
     Protects against hackers and script-kiddies.
     Pretection agains unknown vunlerabilites (0 day       protection).
     Nearly 100 functions to secure Windows XP,       Media Player, Internet Explorer, Mozilla Firefox.
     Full control over Windows Update: only enable       and run it on monthly patch-day.
     Integrated trace-deleter erases traces of       Internet Explorer, Mozilla Firefox, Flash Player,       the DNS Cache, and some other entries from the       registry.