Buddy, that's your adapter you are having issues with. You are not the first one that reported freezes when using TechArt adapter and I have never heard of freezes, nor had one myself, when somebody is using adapters that are not having contacts and "brain" behind them. Just keep it simple like I advised you before when you inquired about adapters, get plain adapter (I am recommending Metabones), shoot manual focus and enjoy that lens.
Speaking of manual focus, I guarantee to you that focus magnification works when using manual focus with non-smart adapter, you just need to engage it manually, all it takes is a press on C1.