When Microsoft Office package get corrupted you will get this error message. Please make sure whether you have made any recent changes to your computer like installing critical Windows Update, improper shutdown, force shutdown during Windows update, etc.
In order to solve this issue you need to restore your computer to an earlier date. Follow the steps below to restore your computer to an earlier date:
Note: Please be aware that the listed applications after "Scan for affected programs", will be removed after restoring the PC to an earlier date. None of your saved files will be affected due to System Restore.
Once after restoring your computer Windows need to be updated again. Make sure to update the computer without any interruptions. If you are using a Laptop do not close the lid until the Windows Update installation completes 100%. As the “Power Options” in your Laptop might forcefully shutdown or hibernate when you close the lid.