Fixed: Suggestions To Repair Office Windows Installer Failed.


This guide will help you if Windows Office Installer fails.

If you’re having trouble installing Office on your PC, restart your PC and try installing Office again. After the uninstallation is complete, try reinstalling Office. Uninstall Office with a simple solution. Click the button below to download and install the Office Removal Support Tool.



  • 12 minutes read
  • Applies to:
    Microsoft Office
  • This article was written by Eric Ashton , Senior Support Escalation Engineer.

    This article describes how to identify and resolve Microsoft Office installation errors. These methods can be applied to any Office installation that uses Windows Installer (MSI).

    Why Does It Take So Long To Install Office?

    • Make sure Office is not already installed.
    • Temporarily disable your antivirus software to see if it matters.
    • Restart your computer and try installing Office using a wired connection.
    • Uninstall Office and try
    • reinstall

    Fix-1 Delete Office Folder In Task Scheduler –

    Removing the Office folder from the Task Scheduler window may resolve the issue on your end.

    1. Click the search box next to the Windows icon and type “Task Scheduler”.

    2. In the advanced search results, click Task Scheduler to openFind Task Scheduler.

    3. In the Task Scheduler window on the left, click Microsoft to expand it.

    4. Now right click “Office” and then “Delete” to remove it from your computer.

    Close the task scheduler window.

    Restart your computer to save changes. After restarting your computer, try to install MS Office again.

    Fix-2 Re-register Windows Installer

    Re-registering Windows Installer may resolve this issue.

    1. First enter “cmd” in the search box.

    2. Then right-click Command Prompt and select Run as administrator.

    windows installer office failed

    A command prompt with administrator rights will open.

    3. In the Command Prompt window, copy and paste this command twice, and then press Enter each time to execute the command twice.

     msiexec / unregister 

    Close the command prompt window.

    4. Press Windows Key R to open the Run window.

    5. To access the temporary folder, enter “% temp%” and click OK.

    6. To folder “Temp” Click “Local” in the address bar to access this folder.

    7. Now right-click in the local folder on the “Temp” folder and then on “Properties”.

    8. In the Temp Properties window, click Edit.

    9. In the “Temporary Permissions” window, click “Add”.

    10. In the Select Groups window, click Advanced.

    11. In the Select Users or Groups window, click Find Now.

    12. Now select all groups in the Search Results: tab and click OK.

    13. In the Select Users or Groups window, click OK to save your changes.

    14. In the Temporary Work Permits window, click Apply and then OK.

    15. Finally, in the Temp Properties window, click Apply, then OK to save your changes.

    Now close the explorer window.

    Try installing MS Office on your computer again.

    Fix-3 Remove Program Data From The Office Folder –

    Removing corrupted program data from the Office folder may fix your problem.

    1. Press Windows Key R to open the Run window.

    2. In the Run window, type this shortcut and press Enter.

    % programdata% 




    Why Windows Installer is not working?

    If you find that the Windows Installer service is not running, you can re-register the installer service. Reregistering the Microsoft Installer service is another great way to fix an error that the Windows Installer service could not access. Press Windows R keys. Type cmd and press Enter.

    How do I fix Windows 10 installation error?

    1. Elimination of common problems. Run an online scan of your computer for malware and viruses.
    2. Check your security settings. Log in to Windows as an administrator.
    3. Use the Fix It tool on Windows 10.
    4. Run Windows Update Troubleshooter.
    5. Check if Windows Update services are running.
    6. Run DISM tool.
    7. Disable User Account Control (UAC)

    How do I fix Office 2016 installation error?

    Fix Microsoft Office Professional Plus 2016 encountered an error during installation
    1. Solution 1. Use the task scheduler.
    2. Solution 2] Run the Windows Store app troubleshooter.
    3. Solution 3] Update Windows.
    4. Solution 4] Remove the problematic antivirus software.
    5. Solution 5] Rename the Microsoft Help folder.