I Downloaded SP3... and it works fine....but it did not install LinkLayer or TCP/IPV4 .... I tried installing the Linklayer Topology after the SP3 install, but because I have SP3 already installed, Microsoft say I dont need to install the Linklayer Topology .. So I'm stumped!!!What can I do Please!!! Edit... Can I somehow install the LinkLayer Topology, (KB file) separately without removing SP3...This would be my preferred method..Thanks in advanceCheers