Ashampoo WinOptimizer 2000 safely and easily cleans up the garbage that collects in all Windows installations in the course of time. It's so simple that even novices can use it but it still delivers amazingly thorough cleanup performance. Ashampoo WinOptimizer 2000 streamlines and speeds up your Windows® system at the click of a button. It frees up valuable disk space and removes useless registry entries that are preventing your computer from delivering optimum performance and even causing annoying and perplexing errors.