I have had the same situation, however when I first reinstalled windows 7 from a fresh format, I loaded all the Asus drivers up first. I pulled up Gamefirst and it worked perfectly fine for me. I then started doing Microsoft updates and at some point during my 2nd or 3rd updates of 100+ updates, my LAN network stopped obtaining an IP address. I was using the latest version and I had loaded my Nvidia driver for my Asus 770 gtx with the gaming experience loaded with no issues. It wasn't until I hit some windows update, and i have no idea which, did i finally lose connectivity. What was interesting about this problem is I could see my network, but I couldn't connect to my router using the 192.168.1.1 IP. The other thing that was interesting was that the network drive changed to PUBLIC from HOME and knocked me completely out of my homegroup. When I changed it back to HOME and rejoined my homegroup, I could then see my internal network, but still had no ability to connect to the internet or my router. The network was called "Unidentified Network."
I hope this helps. In the mean time I've simply uninstalled the program.
-Ron
Panteks Enthoo Elite / Asus x299 Rampage VI Extreme / Intel I9-7900X / Corsair Dominator RGB 3200MHz
MSI GTX 1080 TI / 2x Intel 900p / Samsung 970 Pro 512GB
Samsung 850 PRO 512GB / Western Digital Gold 8TB HD
Corsair AX 1200i / Corsair Platinum K95 / Asus Chakram
Acer XB321HK 4k, IPS, G-sync Monitor / Water Cooled / Asus G571JT Laptop