Strange sensitive mouse

[TobyNibiru]

Hello
There is a huge problem and are unable to deal with it, if someone have or knows the approximate solution of this huge problems then you can help, I will try all that is possible (of course, that violates the rules of the server not to offer)

The problem itself is that the mouse cursor behaves inappropriately, with any change in sensitivity-it is very huge, the cursor is not very nice to manage due to which I can not really get into the opponent. The most interesting thing is that this happens only with this mod, in such mods as Crossfire this is not observed. What can it be associated with and how can it be cured.

Plus the rest of the sight is just huge at a screen resolution of 1920x1080 and it feels like the game works in 1024x600 resolution while stretched to the full screen