how to block a registry file

I want two files blocked in the registry:

"P3P\history" and "Domains".

How is this done.

Thanks for any help.

 

I moved this thread out of DCing here.

Now, if you'd like to give us some more information, like what P3P\history and Domains relates to. Where? Give us a full path (starting from HKEY....).

Also, what do you mean blocked? As in, stopped from accessing? And you say files - the registry does not contain files it contains individual bits of data.

If you tell us what you're trying to achieve we might be able to help you better