How to fix
Microsoft Office error 30180-4
on Windows

I tried reinstalling Office because I had to reset Windows and it keeps failing with error code 30180-4. Can you help with this? Much appreciated.

Microsoft Office error 30180-4 is a prevalent issue that occurs when users attempt to install or update Microsoft Office on their Windows PC. This error typically disrupts the installation process, displaying a message that prevents users from completing the setup.

The error is often encountered due to several underlying issues. One common cause is an unstable or slow internet connection, which can interrupt the download and installation process. Users may also face this error if there are remnants of previous Office installations that were not properly removed, causing conflicts with the new installation.

Additionally, using a VPN or proxy can block necessary connections needed for the Office setup, leading to this error. Third-party antivirus or firewall software can also mistakenly block parts of the installation, triggering the 30180-4 error. In some cases, corrupted installation files downloaded during the process can cause this issue.

Users typically experience this error during the initial stages of installing Office from the online installer. It can happen at any point during the download or the installation phase, making it a frustrating obstacle.

To resolve this error, users can try various methods. Checking the stability and speed of the internet connection can help identify if connectivity issues are the root cause. Ensuring that any previous versions of Office are completely uninstalled can prevent conflicts. Disabling proxy or VPN settings might resolve server connection issues. Temporarily turning off antivirus or firewall software can help determine if these are blocking the installation. Additionally, using the Microsoft Support and Recovery Assistant tool can automate the process of identifying and fixing problems with the Office setup.

If you would rather employ a more hands-off approach, using the [d1] repair app may help address deeper, underlying issues automatically within Windows that are affecting the Office installation process. This tool can provide a more comprehensive approach to fixing system-related problems, ensuring a smoother installation experience for Microsoft Office.

Fix 1. Run Network and Store apps troubleshooter

An unstable or slow internet connection can interrupt the Office installation process. 

• Type troubleshoot in Windows search and press Enter.
• Click on Troubleshoot settings from the search results.
• Go to Additional troubleshooters/Other troubleshooters.
• Scroll down and click on Windows Store Apps.
• Click on Run the troubleshooter/Run and wait for the process to complete.
• Repeat with Network and Internet troubleshooter.

Fix 2. Uninstall previous Office versions

• Type PowerShell in Windows search.
• Right-click on the result and pick Run as administrator.
• When UAC shows up, click Yes.
• In the new window copy and paste the following command, pressing Enter after:
  Get-AppxPackage -name “Microsoft.Office.Desktop” | Remove-AppxPackage
• Restart your system.
• Download the adequate version of MS Office and install it.

Fix 3. Disable proxy or VPN

Using a VPN or proxy can block necessary connections for the Office setup. 

• Right-click on Start and pick Network connections.
• Navigate to the VPN section and disable it if it's connected.
• Then back and select Proxy.
• Here, disable Proxy if it's enabled.

Fix 4. Disable antivirus software

Antivirus or firewall software can block parts of the Office installation. To resolve this, open your antivirus software and temporarily disable the protection. Alternatively, you can simply uninstall the third-party security app. Then, try installing Microsoft Office again.

Fix 5. Use Microsoft Support and Recovery Assistant

This tool can help resolve issues with Office installations. 

• Open your browser and go to the official Microsoft support website.
• Scroll down and click Download under Uninstall and reinstall Office.
• Once downloaded, double-click SetupProd_OffScrub.exe to launch it.
• When prompted, click Install.
• Once installed, launch Microsoft Support and Recovery Assistant.
• Select Office & Office Apps and click Next.
• Next, choose I have Office 365 subscription, but I'm having trouble installing it option and click Next.
• Click Yes to begin a scan.
• Follow instructions after the scan is finished.

Fix 6. Run Office offline installer

Using the offline installer can bypass issues with online installation.

• Go to office.com and sign in with your account (ensure it's the same account used for subscription purchases).
• Select Install Office, then choose Install Office again on the Installs page.
• In the Download and Install window, click on Other options.
• Check the box to download the offline installer and select your preferred language. Click Download.
• Save the installation file to a drive with sufficient storage space; it will create a virtual drive.
• Double-click the downloaded file, which will appear in File Explorer.
• Click on the virtual disk, then double-click either Setup32.exe or Setup64.exe to initiate the installation.

Fix 7. Run Disk Cleanup

Temporary and junk files can interfere with the installation process. 

• Open the Windows search bar and type Disk Cleanup, then press Enter.
• In the Disk Cleanup window, select the drive where your Windows operating system is installed (usually drive C:) and click OK.
• Click Clean up system files.
• Select the drive again and click OK.
• In the list of files that can be cleaned up, select the largest portions of data, such as Temporary Internet Files, Windows Update, Temporary Files, etc.
• Click OK to begin the cleanup process.

Fix 8. Perform a Clean boot

Third-party applications can interfere with the Office installation. 

• Type msconfig inWindows Search and press Enter to open the System Configuration window.
• Click on the Services tab and check the Hide all Microsoft Services box.
• Click Disable all to disable non-Microsoft services, then click the Startup tab.
• Open the Task Manager, disable all startup items, and close the Task Manager.
• Go to the Boot tab and mark the Safe boot option.
• Click OK on the System Configuration window and restart your computer.
• If the problem does not exist, third-party software is at fault. To determine which app is causing it try enabling half of the available programs, restarting, and checking if the the problem is still absent. Continue till you find the offending software and either update or uninstall it.