REGEDIT4

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnceEx]
"Flags"=dword:00000003
"Title"="Defrag at Startup"

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnceEx\Defrag]
"Cmd"="||DEFRAG.EXE /ALL /noprompt"