Microsoft Office error 30180‑4 usually occurs due to issues with internet connection, antivirus or firewall interference, or incomplete previous Office installations
Disable firewall, antivirus, VPN, or proxy temporarily
Uninstall previous Office versions using Microsoft’s support tool
Delete Office temporary files from %localappdata%MicrosoftOffice and %temp%
Download the latest Office installer from your copyright
Right-click the installer and choose "Run as administrator"
Repair Click-to-Run via Control Panel > Programs > Microsoft Office > Change > Repair
Use a new local admin account if the issue continues
For complete instructions, refer to this Office error code 30180‑4 fix guide