Office Error Codes – How to Fix

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Error Code 800f0900 on Microsoft Office, Outlook and Windows Updates

Microsoft Office error code 800f0900 details:

This error code 800f0900 has  occurred generally when you trying to attempt to install Office and it’s getting fails, such kind of  error message typically tries to explain this causes. There are many factor that would cause this error code 800f0900. Generally this error occurs due to following things:

Something went wrong error of Office 365

  • Due to Microsoft Office system file get corrupt
  • Windows Firewall not allows to network access.
  • You may download partial setup..
  • Previous installation had not removed properly.

Troubleshooting steps to fix Windows Office error code 800f0900 When you are installing Office, you would see this error code 800f0900 if a previous installation of Office is failed. So, Here is some things you can try to resolve this error code 800f0900. Here We’ve mentioned some of the most common guides first, so you can try them in order.

Common causes for Windows Office error code 800f0900:

  • Your PC Antivirus software or firewall may be blocking the Office installation.
  • Your Computer Internet connection or proxy settings are preventing for installing Office.
  • Might Pre-existing version of an Office suite is blocking the installation.
  • May your Computer Incomplete\partial\failed repair\installation\change\removal of a previous Office Installation.
  • Office suite can prevent from installing a newer version.

Follow the below steps to fix the error code 800f0900:

1 – Repair your Office app

This error code 800f0900 will be fixed when Office repair tool replaces all the corrupted system files in your PC. So you may Follow the below steps to run repair tool to fix this error.

  • Open Control Panel using Start.
  • Click on Programs and select Programs and Features.
  • Click on the Office product that you want to repair.
  • Click Change.
  • Select Quick Repair and click on Repair. If Quick Repair didn’t fix the error code 800f0900, select Online Repair and click on Repair.

Note: If MS Office Repair did not fix this error then you can remove and reinstall the Office Suite to fix this error code 800f0900.

2 – Steps to remove MS Office

In case if this error continue even after running Office repair tool, uninstall Office from your PC.

  • Open Control Panel using Start.
  • Click on Programs and select Programs and Features.
  • Select Office Suite and click on Remove.

Note: If Microsoft Office uninstallation failed or it didn’t fix this error then a manual uninstallation is required to completely remove the Microsoft office.

3 – Steps to remove Windows Office manually from your system to fix the error code 800f0900

If the error code 800f0900 is coming again, proceed with the following steps to manually remove Office setup from your PC.

Step 1:  Try to Remove the Windows Installer packages form your System

  • Find the Microsoft Office 365 installation file, typically located in C:\Program Files\.
  • Right-click the Microsoft Office 16folder and select Delete.

Step 2: Remove the Office scheduled tasks

  • Open a Command Prompt in Computer as an administrator.
  • After opened command prompt , type the following commands at command prompt and press Enter after each one command:

schtasks.exe /delete /tn “\Microsoft\Office\Office Automatic Updates”

schtasks.exe /delete /tn “\Microsoft\Office\Office Subscription Maintenance”

schtasks.exe /delete /tn “\Microsoft\Office\Office Click To Run Service Monitor”

Step 3: Use Task Manager to end the current running task process or Click-to-Run tasks

  • Open Task Manager. (to open this use ‘ctrl+shift+esc’)
    Windows Task Manager Process
  • Click the Process tab
  • If the following processes are running, right-click each one, and then click End task after you select each process.
  • .exe
  • setup*.exe

Step 4: Delete the Windows Office files in your Windows

  • Press Windows logo key + R button together to open the Run dialog box.
  • In the Openbox, type %ProgramFiles%, and then click OK.
  • Delete the “Microsoft Office Suite” folder.
  • Delete the “Microsoft Office” folder.
  • Open the Run dialog box, type %ProgramFiles(x86)%, and then click OK.
  • Delete the “Microsoft Office” folder.

Step 5: Delete the Office registry sub keys from your Windows

  • Open Registry Editor.
  • Delete the following registry sub keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppVISV
HKEY_CURRENT_USER\Software\Microsoft\Office
Then Deletethe Office key.

Step 6: Delete the Start menu shortcuts

  • Open a Command Prompt window as an administrator.
  • Type %ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs, and then press Enter.
  • Delete the “Microsoft Office 2016 Tools” folder.

4 – Download and install Office

1. Sign in to your My Account page using the link https://go.microsoft.com/fwlink/p/?LinkId=613327

2. Choose Install.

3. Click Run or the equivalent depending on the browser you’re using.

4. When you see “You’re good to go”, click All done.

Note: This article contains the troubleshooting steps to fix the MS error code 800f0900. If you have been followed till here following above steps that given and If you still getting this error, you have to contact with Help desk for further assistance in resolve this error code 800f0900.


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Last Updated: 28/02/2018
Solution ID: 952019

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