Sounds like the Jan 11th update? If so the fix is to install this out of band update.
https://support.microsoft.com/en-us/topic/kb5010794-out-of-band-update-for-windows-8-1-and-windows-server-2012-r2-january-17-2022-a92500fb-f227-400e-b70e-f7dd50386fd3
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