this problem started recently. It only occurs when i open certain menus or turn camera in certain angles.

here are some examples of whats occuring
http://img508.imageshack.us/img508/4...1015190500.jpg
when the menu is closed or camera angle is adjusted again it goes back to normal

http://img176.imageshack.us/img176/4...1015190500.jpg
in some maps it is extremely bad.

this is not a result of the ingame gamma settings either as i have tried to adjust it.

any help will be appreciated =) ty