Why do you want to run Bitcoin Core and Armory simultaneously? Is not Armory enough?
Usually, Armory runs Bitcoin Core in background. I think if you uncheck that option, you may not get any problem.
I explained in my post that I would rather not close bitcoin core because it seems stuck downloading the "last 9 hours" of the blockchain and if I close it I might get the reindex problem again, so that' why I wanted to open armory, to see if I can check my offline wallets now, but without closing bitcoin core for the reason explained. So I can do it? there's an option in armory?...to uncheck that option I'd have to open armory at the same time as bitcoin core open now. Want to make sure it's ok to do so before opening armory.
Thanks for your reply.