If one of these is not installed, SHA-2 signed updates won't be accepted and the error is thrown instead.
KB4490628 - Servicing stack update for Windows 7 SP1 and Windows Server 2008 R2 SP1: March 12, 2019. KB4474419 - SHA-2 code signing support update for Windows Server 2008 R2, Windows 7, and Windows Server 2008: August 13, 2019. Two updates need to be installed on Windows 7 and Windows Server 2008 R2 systems so that SHA-2 signed updates are installed correctly: that other antivirus solutions are causing issues with Windows Updates as well, it is more likely that a required update is missing. While it is possible that the issue is related, e.g. Microsoft revealed that certain Symantec and Norton software installed on Windows 7 or Windows Server 2008 R2 systems does not play nice with the change and Microsoft made the decision to block updates on machines running Symantec and Norton software until the issue is resolved. The security solutions may block or delete Windows Updates. Tip: it is always good to research Windows updates before installing updates. SHA-1 is not included anymore and that appears to be the reason why error 0x80092004 is thrown on those systems. It appears that affected Windows systems are looking for SHA-1 in the update package and ignore SHA-2. We published an article in 2018 about the change stating that Windows 7 and Server 2008 R2 systems needed certain patches to continue receiving updates. 
The company signs packages only with SHA-2 since August 2019 it signed them with SHA-1 and SHA-2 previously but decided to drop SHA-1 because of known weaknesses.
Microsoft changed the signing of update packages for Windows 7 and Windows Server 2008 R2 devices on the August 2019 Patch Day for the first time.
The error associated with the error code, CRYPT_E_NOT_FOUND, suggests that Windows Update rejects the updates because cryptographic values that the update packages contain are not found. Reports suggest that some administrators and home users face issues with the released updates on machines running Windows 7 or Windows Server 2008 R2.Īttempts to install the updates KB4512506 (monthly rollup update) or KB4512486Â (security-only update) fail with the error 0x80092004.
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