Disable Unnecessary Programs at Startup-XP tip1

Disable Unnecessary Programs at Startup-XP tip1
Start/Run/Regedit. Right Click/Delete unnecessary programs listed here:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Runonce HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Disable or Enable Boot Defrag
Start/Run/Regedit. Navigate to...
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOptimizeFunction

Select Enable in the right pane/Right Click/Modify/Change Value to Y to enable, N to disable. Exit/Reboot.