Microsoft office Installation Error Code 30102-11
There will be a log for every action on your computer that records all the events. It is known as an Event viewer. This is a Windows Inbuilt program that gives all the data for the error-causing keys.
This generally occurs due to the failure of your Windows-related services and the executable file is unable to read the required files when you try installing Microsoft 365 or Office 2021/2019/365.