This does sound like a network error to me. What have you done to eliminate that possibility? Remember to keep in mind that just because you loose your connection to the game server doesn't mean you have lost your internet connection all-together. Try tracking your latency, maybe there is a lot of lag somewhere between you and the game server. There's an addon called Titan Panel that has a performance monitor that constantly shows your FPS, latency, and memory usage. Keep an eye on that and see if you notice a large amount of latency each time before this happens. This used to happen to me all the time and I always noticed my ping rising slowly but dramatically a few minutes before it happened to when it happened, always ending with the ping (latency) being above 17000ms, or 17 seconds. I went to pingtest.net and found that my line quality was "Grade D". Eventually I fixed the issue by calling my ISP's customer support line and politely explaining the issue and asking them to run a full network diagnostic. In my case, they did and they found that some of their equipment was operating sub-nominal and had to be replaced. They actually called me back and thanked me. lol Granted, if it is a network issue, it might not even be on your or the ISP's end, but on Blizz's end, or somewhere between. And it is quite a coincidence that you started having this issue the day of the 3.3 patch, so it is conceivable that it's some other issue, but let's definitively make sure that it's not the network first. One other quick note, this issue is also VERY common if the realm you're playing on goes down unexpectedly. Hope this helps, LupusNoctu