China DOS Union

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Obviously posted in the wrong section. Since this is a new forum user, no penalty will be given for now. Please pay attention in the future.
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@echo off
reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v Ravtary
This is a batch file I wrote myself, but when it runs, I have to press Y before it will execute. I want it to run automatically, without needing to press Y.
Please, experts, help me~~~~~~~~

Read the help more

C:\Test>reg delete /?

Console Registry Tool for Windows - version 3.0
Copyright (C) Microsoft Corp. 1981-2001. All rights reserved


REG DELETE KeyName

KeyName FullKey
Machine Name of remote machine - omitting defaults to the current machine
Only HKLM and HKU are available on remote machines
FullKey ROOTKEY\SubKey
ROOTKEY
SubKey The full name of a registry key under the selected ROOTKEY
ValueName The value name, under the selected Key, to delete
When omitted, all subkeys and values under the Key are deleted
/ve delete the value of empty value name <no name>
/va delete all values under this key
/f Forces the deletion without propmt

Examples:

REG DELETE HKLM\Software\MyCo\MyApp\Timeout
Deletes the registry key Timeout and its all subkeys and values

REG DELETE \\ZODIAC\HKLM\Software\MyCo /v MTU
Deletes the registry value MTU under MyCo on ZODIAC

Yeah, check the help first!

/f means no confirmation is needed, >nul suppresses the "The operation completed successfully" output. 2>nul suppresses error output if the key value cannot be deleted or does not exist.