This application is designated for automated optimizing and easy administrating of the Windows operating system versions NT/2000/XP/2003. The program provides you with the possibility to tune all aspects of the Windows operating system related to performance, security and reliability of the system. Also, it provides you with the possibility to tune the network parameters specially related to the network performance. Besides, the CubeOptimizer application offers you the fastest access to the most required Windows utilities. It provides you with the possibility to restore the operating system from the distribution (such as CD-ROM or any other). In addition the application saves the history of changes providing you with the possibility to restore the system to its previous state. It guarantees high security level for the users operating system that significantly distinguish our system from the our competitor products.