In this case, VisualCron is presented like an idependent version of Cron for Windows, though it is really similar to the Linux version.
It is specially developed for some programs to run at a certain time. By this way, you will not have to click on them at 4:00 A.M. and, for example, your antivirus will be run everyday, so your system will be safe and you will not waste a minute.
It is very easy to use, you will not have any troubles when managing tasks: add, modify or delete tasks, and enjoy yourself, because VisualCron will run your programs for you.
In addition, it is free and its interface is very intuitive.