It was flushing the router. After spending some time trying various fixes, etc. I finally realized that it was my router all the time. The router is set up in my basement where I have another desktop. I swapped ports between machines and spent some time on that one to see if I could replicate the errors and I did. I then began jiggling the Ethernet cables at the router and began seeing that it would connect. I restarted that router and modem and everything worked for a while. I logged into the router and everything thing in the setup was correct. This morning I swapped that router out with an old one that I had and so far everything works consistently. It must have just been a fluke that this started when I upgraded the one machine to...