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When I was installing Office 2016, installation failed with an error code 30188-4.
What does this error code mean?
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Hi Akihito,
There are many reasons that could cause the Error Code 30188-4. Usually, 30188-4 occurs due to the system files corruption or previous installation files not removed properly.
To resolve the issue with error code 30188-4, click on this link.
Update us on the result.
Somewhat, I could finished to install Office. Still I do not know the meaning of the error code. Thank you.