How to solve the error code 30102-11: Office 2019 installation failed

There are several steps you can take to try and resolve the error code 30102-11 when installing Office 2019:

1. Check your internet connection: Make sure you have a stable internet connection and that there are no issues with your network.
2. Disable antivirus software: Sometimes, antivirus software can interfere with the installation process. Try disabling your antivirus software temporarily and then attempt to install Office 2019 again.
3. Clear the cache: Clearing the cache can help resolve issues with the installation process. To do this, go to the Control Panel, select Internet Options, and then click on Delete under Browsing History.
4. Use the Office Deployment Tool: If the above steps do not work, you can try using the Office Deployment Tool to install Office 2019. This tool allows you to customize the installation process and can help resolve issues with the installation.