My game crashes if I join a 20+ player server

[cavemanbruno 0]

I can play dayz fine when on a server with 20 or less players but if i try join a server with more players my game freezes but i can still hear sounds but it wont un-freeze. Even if i put all my settings to the lowest it still happens. I want to play with lots of other people but this is restricting me.

 

system specs:

Intel Core i5-4670 3.4GHz CPU

8GB DDR3 Memory

AMD Radeon HD 7870

Windows 7 64bit

 

[TheHuntsMan87 194]

are you joining low ping servers?

[cavemanbruno 0]

yes, only bellow 50

[cavemanbruno 0]

And also this wasn't a problem till a few weeks ago  

[TheHuntsMan87 194]

ummm have ou verify games files?

[cavemanbruno 0]

yes and i have re installed