Hi @Tony Hodge ,
Please make sure that current user has admin permission on this server.
Besides, we may try to re-start the server in Clean Boot(with 3rd party process disabled), try to install this update manually to confirm the result:
- Download the update from Microsoft to our server locally(based on your OS version and select the appropriate download link)
- Double click the installation file and follow the wizard to complete the installation.
If the problem persists, please provide WindowsUpdate.log (C:\Windows), kindly be careful to erase private information.
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