How to fix
Microsoft Office error 30029-4
on Windows

Hello, I attempted to update Microsoft Office to the newest version yesterday on my Windows laptop but it crashed with error 30029-4. I have not been able to open Word and Excel since then, and reinstalling does not help - the process just comes to a stop with the same error. Why is this occurring with Microsoft Office error 30029-4, and how can I prevent it so that I can attend to work?

Microsoft Office is a staple for all of us - whether it's writing reports in Word, working with numbers in Excel, or preparing slides in PowerPoint. It's meant to be reliable, but occasionally something like Microsoft Office error 30029-4 comes along and disrupts your workflow.

If you have seen this error come up on your Windows machine, the likelihood is that you are encountering a hurdle blocking Office apps from opening or running properly. Let's examine what this error signifies and what you might be able to do about it.

Error 30029-4 typically occurs when there's been a problem with Office's installation or performance. You might find it after a failed update, during a fresh install, or seemingly randomly when trying to open an app. The message itself - typically followed by a message about an "installation failure" or "something went wrong" - isn't particularly helpful, but it's a sign that Office is struggling to get traction on your computer.

What's causing this Microsoft Office error 30029-4? Suspects are short. A corrupted installation file might be the offender, especially if an update didn't finish properly. Incompatibility with another application (such as an over-protective antivirus or incompatible program) could also be the issue.

Sometimes, it's associated with permission issues or orphaned files from another version of Office jamming up the system. Whatever is behind it, it's a solvable problem with the right attitude.

In order to circumvent Microsoft Office 30029-4 error, you can start by reinstalling it through Windows settings, which usually smooths out minor problems. Uninstalling residual Office files or ensuring that your system is up to date may also help. Before trying manual fixes below, we recommend trying a power PC repair app [d1], as it could solve the issues related to the error automatically.

Fix 1. Temporarily disable your third-party antivirus

• Locate the antivirus icon in the system tray and right-click on it.
• Choose Pause protection or Disable depending on your software.
• Proceed with the Office installation.
• Once complete, re-enable your antivirus software.

Fix 2. Run the troubleshooters

• Type troubleshoot into the Windows search bar, then press Enter.
• In the options that appear, select Additional troubleshooters or Other troubleshooters (depending on your Windows version).
• Scroll through the list until you locate Windows Store Apps, then click on Run the troubleshooter/Run.
• Wait as the process runs to completion, then apply any recommended changes to resolve the issue.
• Repeat with Network and Internet troubleshooter.

Fix 3. Repair the Office installation

• Type Control Panel in Windows search and press Enter.
• Select Programs > Programs and Features.
• Select Microsoft Office and click on Change.
• Choose the option for Online Repair and click Repair.
• Follow the prompts to finish the process.

Fix 4. Uninstall previous versions of Office

If you had Office installed previously, use this method to fully remove it.

• 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.
• Go to Microsoft Store and download the newest version of MS Office.

Option 2:

• Navigate to the official website for Office removal.
• Under Click-to-Run or MSI, expand Option 2 (or click this link)
• Click the Download button.
• Download the file and launch it.
• Select which version of Office you want to uninstall and proceed with on-screen instructions.

Fix 5. Use Microsoft Support and Recovery Assistant

• 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 (or another option that fits your situation) option and click Next.
• Click Yes to begin a scan.
• Follow instructions after to fix the issue.

Fix 6. Run as administrator

• Right-click on the Microsoft Office app or the application's shortcut.
• Select Run as administrator.
• When the User Account Control prompt shows up, click Yes.
• See if the issue has been resolved.

Fox 7. Clear cache files

• Type %localappdata%\Microsoft\Office\16.0\OfficeFileCache in Windows search and hit Enter to navigate to the OfficeFileCache folder.
• Delete all files within the OfficeFileCache folder - press Shift + Del to delete it quickly.
• After clearing the cache, restart your computer and attempt to install/use Office again.