- Go to Start>> Run>> Type in: regedit [Enter]
- Drill down to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOptimizeFunction
- Single click on BootOptimizeFunction to empty its contents into the right pane
- Right click "Enable" from the list in the right pane
- Select Modify from the resulting menu
- Change the value to Y to enable and N to disable
- Reboot your computer for the change to take effect
Enable or Disable Boot Defrag
A great new feature in Microsoft Windows XP is the ability to do a boot defragment. This places all boot files next to each other on the disk to allow for faster booting. By default this option is enabled but on some builds it is not enabled. Below, you will find information on how to Enable/Disable this feature: