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This restriction can be used to specify which directories contain Help files that can use the Shortcut and WinHelp commands. By clearing this setting you can also completely disable the help commands on the system.

Open your registry and find the key below.

Create a new Expanded String value, or modify the existing value called 'HelpQualifiedRootDir' using the settings below.

Exit your registry, you may need to restart or log out of Windows for the change to take effect.

Note: With features in HTML Help, you can run executable programs from a help (.chm) file. The Shortcut command is used to run an executable program that is external to the Help file. The WinHelp command is used to run Winhlp32.exe to display a Winhelp (.hlp) file. This article describes how to restrict the Help files that are allowed to use the Shortcut and WinHelp commands.

		(Default)	REG_SZ	(value not set)
		HelpQualifiedRootDir	REG_EXPAND_SZ	%windir%\help;%windir%\pchealth\helpctr;%program files%

	HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.