When you try to install Office, Office error code 17003 may appear on your Windows 10 computer. When you try to uninstall or update Office, Office error code 17003 may also appear on your computer. Corrupt system files are the reason Microsoft Office failed to install on your computer. Your PC could have other reasons that lead to an Office error code 17003 when you install or update Office.

What is Microsoft Office Error Code 17003 and how does it work?

Microsoft Office is a utility program that you can use in your daily life to simplify your work. Microsoft Office, also known as MS Word, MS Excel and MS PowerPoint, MS Outlook and MS Publisher, MS Access and MS Access. It also includes MS Word, MS Excel, and MS PowerPoint. To use these applications, you must first install Microsoft Office on your Windows 10 computer.

MS Setup Bootstrapper error code indicates the reason for the problem when you try to install Microsoft Office. A pop-up window appears on your screen with an error message.

Sometimes, you can also get Office error code 17003 when trying to uninstall Office or update Office applications.

We have provided solutions for Office error code 17003. Here are the best ways to correct an error message in Microsoft Office.

Cause of Microsoft Office Error Code 17003

Typically, Office 365 error code 17003 is caused by internet connection issues or insufficient disk space. There are many reasons why Microsoft Office won’t install on Windows 10 PC.

We have listed the factors that can cause Office installation failure.

  • Windows corrupts files
  • Administrative privileges
  • Internet connection
  • Multiple copies of MS Office
  • There is not enough space on the PC drive

There are many factors that can cause Microsoft Office errors on your computer. You can call a technician online or offline for more information. Tech Man will diagnose the problem and fix it.

Follow these steps to fix the MS Office installation error message on Windows 10 PC.

Steps to Resolve Microsoft Office Error Code 17003

Microsoft Office problems that arise during installation can be fixed. Follow these steps to resolve problems with Microsoft Office that occur during installation on your PC.

We have listed several methods to correct this error in Microsoft Office.

1- Uninstall and Completely Remove Office files from your PC

When you try to install Office, you will see an error message. Generally, you cannot remove Office files from your computer by uninstalling them through the Control Panel. Sometimes you will need to manually delete older Office files before installing MS Office software.

Step 1: Uninstall Microsoft Office using Control Panel

  • Type Control Panel by pressing the Windows Key.
  • Open the control panel
  • Click Programs and Features.
  • Choose the Microsoft Office application that you want to uninstall.
  • Click Uninstall.
  • To complete the process, follow the instructions on your computer screen.

Step 2: Disable the Windows Installation Package

  • To open File Explorer, press Windows Key + E
  • Open the drive where Office was installed.
  • Open the Program Files folder.
  • Select Microsoft Office to remove it.

Step 3: Delete office files

  • To open File Explorer, press Windows Key + E
  • Open the drive where Office was installed.
  • Open the Program Files (x86) folder.
  • Select Microsoft Office to remove it.
  • Close File Explorer

We hope you have removed all previous copies of Office. If the Office files are not removed from your computer, you can restart your computer and try the steps again. If you have completed the first step successfully, proceed to the next one.

2- Disable Windows Defender Firewall in the Meantime

Windows Defender Firewall, a security program that comes standard with Windows 10, is available as a plug-in. The firewall protects your Windows 10 PC against all threats and prevents unauthorized access to applications.

Sometimes, however, Microsoft Office may be blocked from updating or installing on your computer due to the Firewall rule. You can temporarily disable Windows Firewall while installing Office. Windows Firewall Block Office cannot be installed on your computer due to internet connection problems.

Step to temporarily disable Windows Defender Firewall

  • Open the control panel
  • Click Windows Defender Firewall.
  • Click on “Windows Defender Firewall on or off”
  • Click OK to select Windows Defender Firewall Disabled for both types of networks.

3- Temporarily Disable the Antivirus Service

Install an antivirus application to protect your computer from Trojans and viruses. Windows Defender Firewall is disabled by your antivirus application. Windows Defender Antivirus and Firewall manage your PC’s Firewall service using their own functions. You can temporarily disable your antivirus application during the Office application installation to make an exception to the Windows Firewall rules.

Follow these steps to temporarily disable your Antivirus Application

  • Open the Antivirus application.
  • Choose Settings
  • Disable your firewall or other protection.
  • You can disable real-time protection.

4- Run SFC Scan Commands to Remove Corrupted System Files

The command prompt can be used to launch the SFC scan command to remove corrupt system files from your Windows 10 computer. You should first check for corrupt system files and then remove them from your computer before installing Microsoft Office.

Step- Run the SFC Scan command from your PC

  • The command prompt is open. (As administrator)
  • Enter SFC / SCANNOW and press the Enter key.

5- Download and Install Microsoft Office

After you have completed the first, second, and third steps, you can download and install Microsoft Office. Here are the steps to install Office on Windows 10. You can access the Office application by following the steps and using it without receiving any error messages.

Follow these steps to download Microsoft Office.

  • Open your PC’s web browser. (Chrome, Edge, Mozilla Firefox, Safari, ETC)
  • Enter www.office.com in the search box and press the Enter key.
  • Register now
  • To access your Office account online, enter your Microsoft account email address and password.
  • Click Install Office.
  • Select the Microsoft Office product you want to download.
  • Click here to download
  • Save the Microsoft Office installation file to a location of your choice on your computer.

Follow these steps to install Microsoft Office on your PC.

  • Open the Office setup file and select Run.
  • Wait until Microsoft Office is installed on your PC.
  • Open any Office application on your PC. (MS Word, MS Excel, MS Outlook, ETC)
  • Sign in with your Microsoft account to activate your Office product.