Quote Originally Posted by MiRai View Post
Sounds to me like you've got an add-on that doesn't like to be loaded multiple times on multiple clients. This can usually happen with add-ons that read the combat log -- Like DPS meters.
I'm running Recount (only because I haven't disabled it yet) Jamba, and Zygor. I'll disable Recount in a few minutes and see how it works, but I have a 20 minute queue so don't wait around for the response!