5 Ways to Fix Microsoft Office Error Code 147-0

Sometimes, WIndows Defender Firewall might cause this issue

by Henderson Jayden Harper
Henderson Jayden Harper
Henderson Jayden Harper
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world. He also enjoys... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Microsoft Office: Unable to start Office error code 147-0 occurs when users try to start the app.
  • The error may occur due to corrupt system files and faulty installation.
  • Performing a Clean Boot and reinstalling Microsoft Office can fix the error.
microsoft office error code 147-0

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There are many errors users can encounter when using the Microsoft Office app on their PCs. These errors may occur due to numerous issues plaguing the software. However, the Microsoft Office Unable to start Office error code 147-0 is one of the common errors users complain about.

It prevents users from accessing the app and using its services. Also, you can check our guide about how to resolve Microsoft Office error code 30204-44 on your PC.

What causes the Microsoft Office error code 147-0

Running into the Unable to start office error code 147-0 on Microsoft Office can be because of many factors ranging from issues with the app or your PC. Some causes are:

  • Corrupt system files – Office software can be affected by corrupt system files on your computer. They cause the system not to interact correctly with the app, resulting in errors. So, when you have corrupt system files or missing files, it can affect your system’s performance, causing the error code 147-0 on Microsoft Office.
  • Malware or virus infection – Having malware or virus infection on your PC can affect the apps running on it. It can ground the Office app, preventing it from functioning correctly.
  • Faulty installation – When there’s an error in the installation process for the Microsoft Office app, it can affect its functionality and cause it to encounter errors. Likewise, you can encounter the error code 147-0 if the installation file corrupts.
  • Windows Defender Firewall interference – The Firewall activities on your computer can impede the processes of programs running on it. It blocks the communication between Office and the components needed for it to work.

These factors may differ on various computers. Nonetheless, we’ll take you through basic steps to fix the error.

How do I fix the Microsoft Office error code 147-0?

Before proceeding with any advanced steps, go through the following:

If you can’t fix the problem, proceed with the solutions listed below.

1. Perform a clean boot

  1. Press Windows + R key to open the Run dialog box, type msconfig, and click OK.
  2. Select the Services tab and check the box for the Hide all Microsoft services option, then click the Disable all button.
  3. Go to the Startup tab and Open Task Manager.
  4. Select the startup programs and tap the Disable button.
  5. Restart your PC and check if the temp folder error persists.

It prevents running programs liable to cause issues with Microsoft Office when you start the system.

2. Repair Microsoft Office

  1. Press Windows + R key to open the Run dialog box, type appwiz.cpl, and click on OK to open Programs and Features.
  2. Right-click on Microsoft Office and click on Change from the drop-down.
  3. Tap on the Quick Repair option on the new windows, and tap the Repair button.
  4. Try the Online Repair option if the Quick repair can’t fix it.

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
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Repairing Microsoft Office will fix missing or corrupt app file issues that may cause errors when accessing Microsoft Office.

Check our article about what to do if nothing happens when you select run as administrator on Windows 11.

3. Update Windows Operating System

  1. Press Windows + I key to open the Windows Settings app.
  2. Click on Windows Update and tap on the Check for updates button. If there are any updates available, it will search for and install them.

Updating Windows fixes the bugs affecting the system’s performance and adds new features to help run its apps. Read about fixing Windows not connecting to update service if the error occurs on your PC.

4. Delete Office Registry Subkeys

  1. Press the Windows + R button to open the Run dialog box, type in regedit, and then press Enter to open the Registry Editor.
  2. Navigate to the following path. then delete the registry key in the folder: HKEY_LOCAL_MACHINE\SOFTWRE\Microsoft\Office\ClickToRun
  3. Navigate to the following path and delete the registry key in the folder: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppVISV HKEY_CURRENT_USER\Software\Microsoft\Office
  4. Restart your PC and check if the error code 147-0 appears on Microsoft Office.

You can read about how to fix a corrupt registry on Windows.

5. Reinstall Microsoft Office

  1. Press Windows + I key to open the Windows Settings app.
  2. Click on Apps and click Installed apps.
  3. Search for the Office app, and click the three dots button against it. Select Uninstall from the drop-down and then click on Uninstall to confirm the action.
  4. Restart your PC, then reinstall Microsoft Office to check if the error persists.

Reinstalling the Office app can resolve the corrupt installation file issues.

Our readers can also check our article about error 30016-22 and how to fix the Office Installation bug on your PC.

We’d like to hear more from you on this matter, so feel free to comment in the dedicated section below.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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