Same problem here, using Windows 7. I've been trying for several weeks and countless hours. I have been in contact with Simvibe developer and we have tried everything imaginable. No results. The game is detected, the plugin is detected, everything seems correct but the shakers will not work. I let the game detect and install the plugin by itselft, I tried installing it manually, I tried different versions of the plugins, I tried updating Sim Commander 4, I got the warning icon you mention, other times I didn't get that icon, I followed every instruction ever published on the Internet, etc. etc, but never ever a single shake. No problems at all with AC or Dirt Rally. I think it's time to uninstall this game, because I simply cannot use a sim without shakers anymore. Anyway, it's glad to know that I'm not the only guy on Earth that cannot get Sim Commander 4 to work with this game.