ScanDefrag is a small utility program that configures and runs Microsoft's or Norton's disk utilities as part of the next Window's startup process. This can result in less restarts and cleaner runs. Some features include:

Screen saver is automatically disabled. (It will be re-enabled after selected maintenance programs are completed.)
Maintenance is performed in a system state more condusive to disk utilities.
Items are run consecutively without idle periods.
Optional computer shutdown or restart when complete.
Choice of Norton Disk Doctor, Microsoft Scandisk, or Chkdsk.
Choice of Norton Speed Disk, Microsoft's Defragmenter, or Kessel's Defragmenter.
Option to run Sysinternal's PageDefrag if 2000, XP, or Server 2003.
Option to change or disable the shutdown/restart intervals.
Option to automatically logon to system to run maintenance programs. Logon information will be restored to original state after ScanDefrag restarts. (2000, XP, Server 2003, Server 2008, or Vista only)
Option to create a System Restore Point before running maintenance programs (XP, Vista only)
Built-in Task Scheduler.
Command line switches for automated maintenance.
Viewable log file created with each run.
Ability to Add/Remove user defined processes in the "Restrictive Mode" configuration. (98, ME only)