hi , im not new, but idont think im an expert either. i tried to search on this issue, but could not find a thread about it or with it. everytime i download a patch i get this issue.. i over come the issue but fully reinstalling the new version.. wanted to let you know incase its a bigger issue that just me this is the error when i try and load up the secon session You have not selected a valid instance of WoW to attach to! Please restart Honorbuddy and choose a valid instance of WoW to use Honorbuddy with! This version of Honorbuddy only supports WoW Build #16057 You are currently on build #0 EDIT.. NVM i fixed thed issue .. apologies it was trivial ..
I have the same issue, I have to keep stop and starting the first one, and eventually the second will go through. Sometimes I have to completely exit out and restart HB.