Hello everyone, I am Madison smith, I had face this kind of error on my device also. To resolve these issues I read many blogs and articles on this topic. Now I can fix this kind of issue but can't post the full solution of Error Code 30016-4. If you are undergoing this kind of problems then you can communicate Windows support freely to get cooperation. A certified technician will help you out. I am sharing a link of one of those blogs, just read the blog and learn the procedure to determine this issue.
Some Antivirus and Internet Security Program may block or disable the important files of your Office which leads to Error code 30016–4. In that case, you should disable or uninstall the Antivirus Software(Do not forget to install it again).