Office Error Codes – How to Fix

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Error Code 0x800f0805 for Microsoft Office, Outlook and Windows Updates

Microsoft Office error code 0x800f0805 information:

This error code 0x800f0805 has  happen generally when you trying to attempt to install Office and it’s getting office installation error, such kind of  error message typically tries to explain this issues. There are many factor that could cause this error code 0x800f0805. 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 Microsoft Office error code 0x800f0805 When you are installing Office, you might see this error code 0x800f0805 if a previous installation of Office is failed. So, Here is some things you could try to solve this error code 0x800f0805. Here We’ve mentioned some of the most common steps first, so you might try them in order.

Common causes for Microsoft Office error code 0x800f0805:

  • Your Computer Antivirus software or firewall might be blocking the Office installation.
  • Your PC Internet connection or proxy settings are preventing for installing Office.
  • May Pre-existing version of an Office suite is blocking the installation.
  • May be 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 resolve the error code 0x800f0805:

1 – Repair your Office app

This error code 0x800f0805 will be fixed when Office repair tool replaces all the corrupted system files in your System. 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 0x800f0805, select Online Repair and click on Repair.

Note: If Windows Office Repair did not fix this error then you have to remove and reinstall the Office Suite to fix this error code 0x800f0805.

2 – Steps to remove Office

In case if this error carry on even after running Office repair tool, uninstall Office from your Computer.

  • 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 MS Office.

3 – Steps to uninstall MS Office manually from your computer to fix the error code 0x800f0805

If the error code 0x800f0805 is re-occurring, proceed with the following steps to manually remove Office app from your system.

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 running tasks

  • Open a Command Prompt in windows 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 Microsoft Office files in your System

  • 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 Microsoft error code 0x800f0805. If you have been followed till here following above steps that given and If you still getting this error, you might contact with Help desk for further assistance in fix this error code 0x800f0805.


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Last Updated: 04/02/2018
Solution ID: 482868

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