Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Is that an office update or a windows update?
Step 1:
Reset the windows update component and then try installing the updates, check if the issue is resolved. There is Fix it tool below link will help you with the same
How do I reset Windows Update components: http://support.microsoft.com/kb/971058
Step2:
Install the standalone package of the updates. You can download the standalone from the below link with the KB number:http://www.microsoft.com/downloads and check if the issue is resolved.