Cannot access HKEY_LOCAL_MACHINE with registry remote

Hi guys.. I want to use registry remote to edit registry of another computer in my network,But I can't access HKEY_LOCAL_MACHINE(It's say I have no permission ) I use administrator (built_in) user,But i can't change permission by registry remote Help me!

This website is not affiliated, owned, or endorsed by Microsoft Corporation. It is a member of the Microsoft Partner Program.