Is a specific script having this problem, a script you made, or just any script you try using?
Is it just misclicking on Y axis by + or - 50 pixels?
If so, there is some fix for that, but I forgot it :X.
It has something to do with the navigation bar, there's 1 command line you just need to add to fix it.
Besides that if it's just crazy random misclicks, it sounds like a script specific problem to me.

