Dual monitor cursor lock issues

So I recently set up my dual monitors horizontally (they used to be above one another). And now I have the issue that whenever I'm in-game, I sometimes select a window on my second monitor, so crossfire goes out of focus.

I tried to fix this with Dual Monitor Tools' function that allows you to lock the cursor to one monitor. But it seems this works with EVERY other program except for CF, when I use it in CF, it should lock, but I can still go to my second screen, then once I focus a window other than CF, it locks perfectly.

This is seriously affecting my gameplay, does anyone know a solution?

thank you (:

Comments