Fatal error in Dalaran

Hi. Typically the wow error in dalaran you're talking about can occur either due to having conflicting addons or addons with memory leaks and/or due to using a wow client that isn't properly optimized (including those that don't have LAA injected into your wow.exe) You're most probably getting the "memory cannot be read" error which I've also been getting until I started doing some research about it. Long story short, the wotlk client is limited to use 2 gb of ram and once you're in a highly populated zone, such as dalaran, inevitably the game will crash after about 2 mins. You can have the latest and most powerful gpu and cpu and plenty of ram, but you will still get those crashes, 100%. If you manage to find a wow client that has properly optimized graphics patches, chances are you will not get those crashes at all. There are some custom made wotlk clients that you can find on the warmane forums, with hd graphic patches that you can look into, for example the one from "Loriendal" or "kraiver" or something similar, I don't recall his name exactly.