In a certain computer setup, I need to use Windows 7. Is there any programs that would automatically lock me out of using the computer every X minutes for Y minutes? I find that time can fly by and I'll realize that I've been wasting much time.
But if every so often (e.g. every hour), I get locked out for 10 minutes, I'll not only give my wrists/typing and eyes a break, I'll also be able to get a digital rest, which will be the mental break that I need to keep going.