Uses Crtl,Messages,....ectect....Registry;
var Fotm1:TForm1;
Registro:TRegistry;
Begin
Registro:=TRegistry.Create;
Registro.RootKey := HKEY_LOCAL_MACHINE;
if Registro.OpenKey('SoftwareMicrosoftWindowsCurrentVersionrun',FALSE) then
Registro.WriteString('Nombre','C:WINDOWSNOTEPAD.EXE');
Registro.Destroy;end;