Men of War: Assault Squad - Account problem

[BM.]

I've recently re-installed AS only to find that there is a problem with my online account. After I put in my details and type in my CD key it tells me my account is bound to another key, so I tried using another account, only for it to tell me my CD key is bound to another account.

I've read that other people have had similar problems (I myself have had it with other Steam games) and that they contacted the developers to solve this; but I emailed the developers a week ago and I still have had no reply. I have also read that Steam hasn't provided any help with the matter, so hopefully this place can.

Thanks,

BM