| Event Id | 21 |
| Source | Automatic Update |
| Description | Restart Required: To complete the installation of the following updates, the computer must be restarted. Until this computer has been restarted, Windows cannot search for or download new updates. <updates>. |
| Event Information | This is an informational message shows that, the updates that have been successfully downloaded and installed by Auto Update require a system reboot. |
| Reference Links |
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