I would need a snapshot ID of your setup to reproduce your case and see what’s going on. Instructions on how to do that are at the top of this post:
“Retail” is commonly used to refer to the current, latest version of World of Warcraft, right now that is The War Within, and shows up in the battle.net launcher under live, World of Warcraft.
“Classic Era” refers to the original (sometimes called “vanilla”) WoW, which shows up in the battle.net launcher under live - classic, World of Warcraft Classic.
Once you provide a snapshot and let me know which version of the optimizer you are using, we should be able to resolve your issue quickly.