Again, problems don't occur that often and are rarely widespread, but when they do they hurt.
Fortunately, there are some really simple things you can do to minimize the chance that a patch from Microsoft will do more harm than good: Tip: If it's too late and the damage is done, see How To Fix Problems Caused by Windows Updates for help., restarting your computer after each one is applied.
Thankfully, many of the tasks performed by Automatic Maintenance are also available as standalone tools.
Windows has included a defrag tool for almost as long as it’s existed.
Consequently, most laptops get thrown out prematurely. It’ll prolong the life of your hardware and save you hours of frustration. You might want to take maintenance into your own hands instead.