Causes of Microsoft office 2019 installation Error code 30147-4 :
Antivirus software and firewall might be blocking the office installation
Internet connections and proxy setting are presented to the installing office results
Pre-existing version of an Office suite is blocking the Microsoft 365/2019 installation
Incomplete\partial\failed repair\installation\change\removal of a previous Office suite can prevent from installing a newer version.
Sound device malfunction, Decisive background service crashed, Input device breakdown, System conflicted, No agreement to visit driver.