If you are getting an error of 80092004 in Windows update on Windows Server 2008, Windows Server 2008 R2, or Windows 7 you can install KB4490628 to fix that issue.  This Service Stack update provides support for SHA-2 hash in signed updates.

Installing this service stack update will allow you to install updates for Windows Server 2008, Windows Server 2008 R2 and Windows 7 that have been released since July 2019 when all updates have been signed with SHA-2 hashes.

https://support.microsoft.com/en-us/help/4472027/2019-sha-2-code-signing-support-requirement-for-windows-and-wsus