Plutonium

hey everyone,
when im tying to join to some servers in bo2 zombies the game just getting stuck and crash.
what could be the reason and how do i fix that?
I really want to play with people..

Hello,
When i try to join to online servers in BO2 zombies from the list the game just getting stuck and crash.
I've tried to reinstall the game but nothing worked..
Please help