The easiest ones are listed first
Fix 'Your device is missing important security and quality updates' error on Windows PC
One of the many good things about Microsoft is that it consistently rolls out updates to fix bugs or improve the security of your system. It is in your best interest to install updates as soon as they are rolled out. However, sometimes Windows Update seems unable to install updates and throws an error message that reads: "Your device is missing important security and quality fixes."
If you're encountering this error and need help, this article will walk you through some quick fixes that may resolve the issue. Try these solutions in the order they're listed — we've listed the easiest ones first.
The built-in Update troubleshooter should be your first choice whenever you encounter the error message "your device is missing important security and quality fixes." If Windows identifies the problem and fixes it for you, you won't have to jump through hoops to rule out potential problems.
