Data loss is the most frustrating thing in computer industry. Are you just lost your important data and also formatted the disk for fresh installation or to get fresh copy?
Rebooting may clear all or a part of such files so as to speed up your computer.
If users store and delete data on hard disk
frequently, fragments are easy to emerge. If the disk is with a lot of fragments, it will do much extra work to seek data, which definitely slows the speed of our computer.
In addition, rebooting makes it possible to detect Windows update or software update. With the latest version of system or program, our computer is always running smoothly.