It seems like it is trying to connect to the IP address of my router which leased the IP instead of the Tiny PXE Server. I have attached the server Log and a picture of a client computer trying to connect. However when I run with ProxyDHCP enabled - it stops working all together. When I run Tiny PXE Server with ProxyDhcp OFF - I get about a 50% success rate - I assume this is my router's DHCP server and Tiny PXE's DHCP server racing and whoever leases the IP first is what the PXE client tried to connect to to download the Menu etc.
I have had some success so far but have run into issues. I've recently been trying to set up Tiny PXE Server to boot Active Kill Disk over the network to many machines for easy drive formatting.