Run command - Enable/Disable(Win XP)

I got few emails regarding Run command trouble. They don't have Run command in start menu or cannot open Run command through keyboard shortcut "windows key + R". You cannot open a lot of Run command stuff without it.
Well, It is easy to use registry merger trick here as per describe below.

Enable Run:
Open notepad and type following text or copy-paste same and save it with .reg extension and simply run/merge it. It will Enable Run command. (Don't forget to restart your machine)

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies\Explorer]
"NoRun"=dword:00000000

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\ CurrentVersion\Policies\Explorer]
"NoRun"=dword:00000000

Disable Run:
Open notepad and type following text or copy-paste same and save it with .reg extension and simply run/merge it. It will Disable Run command. (Don't forget to restart your machine)

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows \CurrentVersion\Policies\Explorer]
"NoRun"=dword:00000001

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows \CurrentVersion\Policies\Explorer]
"NoRun"=dword:00000001