ScanDefrag is a small windows application that configures Microsoft's, Norton's, or JKessels' disk utilities as part of the next Windows' startup process.
Microsoft Disk Cleanup.
Microsoft ScanDisk/Chkdsk.
Microsoft Disk Defragmenter.
Jeroen Kessels command-line JKDefrag or MyDefrag tool (NT-machines only).
Norton Disk Doctor.
Norton SpeedDisk.
Sysinternal's PageDefrag (NT-machines only).