pesard

hello i wanna ask some question is there anyway to rollback 1.60 it my bad i came to this forum to find mirror for download beta 1.62 (dayz) but i go in wrong topic i just update this for my ARMA 2 OA and now i cant play in my frd server (ACEZ) they stay on 1.60 and my oa 1.62 i really dont know what to do please someone help me rollback to 1.60 :(

this is my spec minimum pass just fine recommand only lacking video ram so my problem is i brough a product Combine operation and when i play with dayz mod graphic look weird really weird ( daylight i must zoom or put my crosshair to the ground all time to make it look bright and when am look the other way it kinda dark even in the morning ) and when dark it completely black&white i dunno why please anyone help me here it the picture at night sorry for my bad english