How to Troubleshoot MS Office Error Code 0x404?

Microsoft Office is the amazing software which is developed by Microsoft. And it gives great applications like Word, Excel, PowerPoint and Outlook for the benefit of its customer. You can install this trusted software through This software now becomes essential in every office, schools, organization because it helps the user in many ways. It is easy to use and gives user friendly interface. But some users face the error like 0x404 while installing MS Office. The reason for this error code is system file get corrupted, Window Firewall not allow networking access, and previous installation has not removed properly. In this blog, you will read the solution of MS Office Error Code 0x404.

Troubleshoot MS Office Error Code 0x404:

  • Repair Office App:

For this, you have to open Control Panel by using the Start option. Then just you have to click on Programs option and then select Programs and Features. After this, just click on the Office product which you want to repair. Here you have to tap on Change option. After this, just select Quick Repair and then click on Repair option. If it does not fix then you have to select Online Repair and then click on Repair.

  • Remove Office Suite:

If Office repair tool does not fix the error, then you have to uninstall Office from your PC. For this, you have to start your PC and then open Control Panel. Then click on Programs option and after this you have to select Programs and Features. Now you have to select Office Suite and then click on Remove option.

  • Remove MS Office Manually:

If Office is not properly removed then you have to remove Office manually.

Remove Window Installer Package:

For this, you have to find the Windows Office 16 installation file, and then you have to locate in C:\Program Files\. After this, just right-click on the Microsoft Office 16folder and then you have to select Delete option.

Remove Office Running Task:

For this, just open a Command Prompt in windows as an administrator. Then you have to type the following commands and press the Enter key after each 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”

Use Task Manager to End Current Running Task:

For this, open Task Manager and just click on the Process tab. Then right-click each process which are running and then click on End task.



Delete Office Files:

For this, press Win + R key together just to open the Run dialog box. Now in the box, you have to type %ProgramFiles%, and just click on OK button.

Delete the “Microsoft Office Suite” folder.

Delete the “Microsoft Office” folder.

In the Run dialog box, you have to type %ProgramFiles(x86)%. After this, you have to click on OK option.

Delete the “Microsoft Office” folder.

Delete Office Registry Sub Keys:

First, open Registry Editor and delete the Office registry sub keys:




After this, delete the Office key.

Delete Start Menu Shortcuts:

For this, you have to open a Command Prompt window as an administrator.

Type %ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs, and after this, press Enter.

Delete the “Microsoft Office 2016 Tools” folder.

  • Download and Install Office:

For this, first you have to sign in to your My Account. Then, you have to choose Install. After this, you have to click on Run option. At the end, just click on All done option.

This method will solve the MS Office error code 0x404. If you are still facing error then you can call the expert of MS Office anytime. For details, you can go to the site of MS Office via