I’m often annoyed by this dialog box when I open unassociated filetypes:
I’ve had a problem with the mousepad on my laptop getting “jumpy”. Whenever I’d use it, and subsequently take my finger off it, it’d jump an inch and a half or so upwards to the right. This was annoying to say the least, and I decided to try and find a solution to it.
I’ve only tested this solution with Synaptics mousepads, and so I can’t vouch for whether it’ll work with others.
What I did to solve the problem, was uninstall the mouse, and reinstall it using the same drivers. Here’s how I prefer doing it: