My PC is showing below updates since last 10-15 days but whenever I try to install, it fails. I have tried using Troubleshoot ==> Windows Update but still no luck. Please advise.

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  • Do you have enough storage space on the disk? For this error message, Microsoft recommends using the Repair Office feature. – Corporate Geek Jan 18 '19 at 17:51

Have you tried repairing Office? You can do this by going to the control panel, uninstall a program, click Microsoft Office XXX and clicking change at the top. I would suggest you do an "Online repair" after reboot and try to update.

If you still get the same error try to remove Office with all its updates O15CTRRemove.diagcab. You can get it from this link https://support.office.com/en-us/article/Uninstall-Office-2013-Office-2016-or-Office-365-from-a-Windows-computer-9dd49b83-264a-477a-8fcc-2fdf5dbf61d8

Let me know if this works!

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Method 1: Reinstall Office updates

  1. Click the Start button, type Windows Explorer in the search box.
  2. Click the Windows Explorer from the pop-up Programs menu
  3. Navigate to C:\Users\All Users\Microsoft\Office\data path, find opa12.dat file and rename it to opa12old.dat.
  4. When you restart Windows Office and open one file, it will prompt you to activate Windows Office, then activate it online.
  5. Reinstall Windows Office updates and restart computer.

Method 2: Reset Windows Update components

If the issue is with the Windows update components, this method will resolve the issue by repairing all the components associated with it. Click on the link below and follow the article on the same.

How do I reset Windows Update Components?

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