Unable to open registry subkey On windows 10 PC using C#

Question

I unable to open programmatically registry subkey on windows 10 PC.

 

I am getting exception by using below code.

 

using (RegistryKey keys = Registry.LocalMachine.OpenSubKey(a_Path,      RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.FullControl))

{

      // Doing some operation like  reading some value

}

 

Exception:

Requested registry access is not allowed.

Can any body help me to come out.