Do you mean the steam community thing? I've always had that disabled so thats not it.
I wouldn't worry about the steam version, anyone who has the steam version can get their serial key from that and download the regular non steam game, install and activate it with that.
I run the injector after starting the game and skipping the bink cutscene, I tried running it at that launcher screen (this is with non steam warband) and that actually crashed it, starting after the game starts works for non steam though.