Windows 10 update errors can appear in many different ways and at different points in the update process. You'll typically see a message like one of these:

In all of the above cases and other similar cases, the message appears on a blue screen unless you have made changes to Windows 10 color settings. Additionally, the message appears after you attempt an update, sometimes many minutes or even hours after the update.

If your Windows 10 update failed, here are the most common causes:

To fix your Windows 10 update error and successfully update your operating system, try each of the following solutions in order. You don’t have to try them all. If you successfully update Windows 10 after trying one solution, you can safely ignore the rest and go back to using your recently updated computer.