Norton Utilities 2001 provides comprehensive tools for optimizing, maintaining, and repairing your Windows system:Speed Disk defragments and reorganizes files on your hard disk for immediate access. WinDoctor performs a series of tests to diagnose and fix most Windows problems from software errors to faulty hardware configurations.Optimization Wizard optimizes the internal structure of the Windows Registry, reducing its size and speeding performance.Speed Start reduces the start-up time of any program. System Doctor automatically detects disk errors and takes preventetive action. Together with a host of other tools, this utility suite from Symantec provides unparalleled protection for Windows. Windows 95/98/NT/2000/ME.