Re: BF3 - COOP-MODE - Is it still working / operational in (June 2020) ?

@nigerian_cuisine It has been a common issue the "BF3 not launching". Across the different aspects of it, co-op to campaign to multiplayer, if you check the forum you can see a lot of us are having similar issues. Different fixes work for different people but in the end nothing has been 100% worked.
Have you tried to contact Help EA Live Chat? Through the help.ea.com website you can reach them. They tend to be very helpful and they are able to manage your account and game library. Alternatively you can try to reach them on Twitter they answer there too.