Glary Utilities is a powerful and top all-in-one utility to fix, speed up, maintain and protect your PC. It optimizes the performance of your computer, solves problems, protect your privacy and helps you to customize your system to suit your needs.
-Automatic care in background
-Optimize, clean and boost the speed of your Windows.
-Protect your privacy and security.
-Block spyware, trojans, adware, etc.
-Fix certain application errors.
-Simple, fast and User friendly interface
-Much much more powerful utilities
Full List: http://www.glaryutilities.com/gup.html
-Windows 98, ME, NT, 2000, XP, 2003 and Vista
-Graphics mode 800x600 with 16-bit colors
-20 MB free hard disk space at least
-Intel Pentium or AMD K5 processor with 133 MHz
-32 MB RAM