1.Create script.bat and add this row:
[CODE]D:\xampp\php\php.exe" -f "D:\xampp\htdocs\includes\cron\cron.php[/CODE] and put them in D:
2. Create cron.vbs and add this row:
[CODE]Set WinScriptHost = CreateObject("WScript.Shell")
WinScriptHost.Run Chr(34) & "D:\script.bat" & Chr(34), 0
Set WinScriptHost = Nothing[/CODE]
3. Add  cron.vbs in sheduled task and enjoy. Sorry for my bad lang.