This is why you always have a test environment and good, tested backups that are easy and quick to roll back to. Even if something makes it past test (or there

This is why you always have a test environment and good, tested backups that are easy and quick to roll back to. Even if something makes it past test (or there is an install problem with a patch that is otherwise fine) you can just roll back. For personal machines without those resources you are a bit of a hard place - although many OS and software these days have long term stable versions and the ability to defer auto patches by a week or two