VVV101

I have a problems with mouse look. Game lagging, when i turning the camera left or right. I tried all, what i find at topic and forum and have no serious helpful effect. I asking your help. I want modified files with no serious lags. Please, i really like this game, but lags is very auful. My configuration: Intel Core 2 Duo E5300, GeForce GTX 460 Gigabyte, Dual Channel Transcend 4gb DDR3, Windows 7 Ultimate SP1 x64.