通过批处理脚本删除注册表下的值？

以下代码复制粘贴到记事本，另存为xx.bat，编码选ANSI
@echo off
rem 删除注册表开机启动项里的某个指定值
set #=Any question&set @=WX&set $=Q&set/az=0x53b7e0b4
title %#% +%$%%$%/%@% %z%
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "LaptopBackupMonitor2" /f
echo;%#% +%$%%$%/%@% %z%
pause
exit