Quote Originally Posted by DragonFlyy View Post
Only once and that's because I was hitting ESC to close a window when it popped. However, every other time it pops up I have had no problem reading which button to push.
Pressing ESC doesn't withdraw you, it just hides the window. Click the queue item in the quest tracker ("Finding Party" or "Reserving Instance" or whatever) and it'll open again so you can click Commence.