Updates are supposed to always be good.
Unfortunately, that is not always so.
Unless there is a new feature that you MUST have, delay the update for as long as you can.
Let other users discover any flaws.
as someone who has very deep and intimate knowledge of software installers, I can tell you, upgrading a BEAST the size of windows is a nightmare. They do it better than anyone, still and they are not perfect. The fact that windows has to support such a huge variety of devices and mfgs-- they do it very well, and it is amazing. nobody is perfect, and nobody can test every possible combination/permutation