Firstly, I would suggest getting the Generic Mod Enabler (JSGME). This allows you to enable/disable mods without effecting your original files.
Get JSGME here -
http://www.users.on.net/~jscones/software/products.html
And you can get the 1.4b contacts.cfg & RND layer here -
http://files.filefront.com/14b_RND__.../fileinfo.html