Support for Office products

Office Support Contact

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Microsoft Office 365/2021/2019 installation Error code 0x4004f00c

Error Code  0x4004f00c typically occurs during the Windows Update process. It is often associated with failed updates or the inability to install specific patches. The error message might read, “Windows could not search for new updates” or “An unknown error occurred.” To effectively address this issue, it’s essential to understand the possible causes behind Error Code 0x4004f00c.

Office error code 0x4004f00c Returns following error messages

  • Something went wrong Error code 0-1018 Go online for additional help.
  • Office program is Busy, There is a problem starting the Office Installation.
  • We are sorry, but we are unable to start your office installation program.
  • Sorry office installation can’t continue because no compatible office products are detected.
  • We are sorry, but we can’t verify the signature of office files required to install your office product.
  • Internet connection needed. Office installation program error code 0-1018.
  • Background office program installation ran into a problem.

Something went wrong Error code 0x4004f00c Go online for additional support.

When operating system unable to add and/or remove the products that you are requesting, It requests you to verify file’s signature that required to install the office product. Usually, returns error code series 300XX, 1xxx series depends on the cause of the issue.

Something Went Wrong

Microsoft Office is Busy, There is a problem starting the Office program Installation

It appears when you try to open any office program like word ,excel etc., and the office already in progress .it gives a message “we are either updating or helping you add/ or remove some office programs.

Sorry, we ran into a problem Error code 0-1018-Sorry installation can’t continue because no compatible office products are detected.

A Microsoft Windows Operating system is released in two different bit versions depending on the hardware architecture such like 32 and 64. It is required to install relevant versions of office suitable for the Windows Operating systems. In case of any mismatch in the versions selected, you can see this error message that says no compatible office products are detected.

We are sorry, but we can’t verify the signature of files required to install your office product.

An Office product package is available in different forms like a disc or a click to run. In the case of a disc failure, you might see this error message which says signatures of files required to install the office product.

can't Verify Signature

Internet connection needed. Office program error code 0-1018.

While you performing the online repair for your office product this error message may occur due to internet problems. You can do a quick offline repair.

Also, Installation of Microsoft Office requires an internet connection depending on the version. The latest Office 365 suite comes with a click to run version which is a small setup file when you click on it, that would start the installation by downloading all the required files for the program.

Internet Connection

Background office program Installation ran into a problem

This causes when your Office installation program related files are corrupted. It is required to repair your Office program. In addition, we need to check for malware or virus related issues on your computer.

Background installation ran into a problem

Diagnose your computer to fix office installation error code 0x4004f00c

There are a few ironically shown Office error code 0-1018 which require immediate action. There will be a log for every action on your computer that records all the events. It is termed as an Event viewer. This is a Windows Inbuilt program under system tools, it provides all the information for the problem-causing keys.

This could cause due to the failure with your Windows related services and the executable file is unable to read the required files when you try installing Office program. There may be issues with the start up programs which can be checked under System Configuration.

Perform system file scan

System file scan in short SFC scan is windows inbuilt program to fix altered/modified and damaged files of the operating system. It can fix several updates failures, other violations done by several mismatched files.


To Run system file scan in your windows operating system, first Open command prompt (CMD) in admin mode and run the command SFC/SCANNOW


Office error 0-1018 also can be fixed with this scan if they are not damaged much. 


If you see any file violations still exists after the scan then move to Event viewer to check what has caused the office installation program error code 0-1018.

How to use Event viewer to check office error logs

1.Click on a start button


2.Type “RUN” and open the Run command prompt


3.Type “EVENT VIEWER” and press enter key to open the Event Viewer logs

error code 0x4004f00c eventvwr


4.Double click on “windows logs” from the left-side panel and select “application”


5.Now you can see many logs in the Centre panel


6.Filter the logs to find office related issues and warnings by selecting Filter current log option from the Right side panel


Find any critical, error logs that caused Microsoft Office 2021/2019 installation Error code 0x4004f00c.

If you can’t find any reasons for the issues then just take a chance to do a clean Office 365 installation to save your time.

Repair/Uninstall office installation program

Applies To: Office 2019, Office for business, Office 365 Admin, Office 365 Small Business Admin, Office 2021

The following steps describe how to uninstall Office 2019 or 2021 products on a PC (laptop, desktop, or 2-in-1).

 For other versions of Office, including Office 2019 for Mac, or older versions of Office, see the section, Uninstall Office for Mac, Office 2021, or Office 2019 below. 

Try uninstalling Office using the Control Panel first. If that doesn’t work use the easy fix tool or try uninstalling Office manually.

For Windows 8 / Windows 11/10:-

  1. Go to control panel from start button,
  2. Select “Programs and Features“ there to reach a list of installed programs on your computer. (In windows 10 you can just type “programs and features in the Cortana search bar beside windows start logo)
  3. From the list, search for Microsoft Office product and click on Change
  4. A windows will open like here showing Add, Repair, Remove options
  5. Then proceed to with repair and wait for sometimes. Once the repair is successful you are ready to use Microsoft office product again.
  6. To uninstall follow the first 4 steps from repair process, and choose to Remove instead of repair.

IMPORTANT:. It’s impossible to uninstall office applications (word, excel, publisher etc) individually from total office product. The only way to uninstall an individual app is if you purchased it as a stand-alone version.

Windows Registry Fix

The registry in Windows is a console that shows the structure of your Windows Operating system and it’s internal programs. The Hex code inside the registry may change due to some unwanted conflicting programs which use the same resources.


To fix the error code 0-1018 in office 365/2021/2019 you need to delete the altered Office Registry keys or remove and re-create the keys with previous values. (HEXA CODE or H-KEYS).



Note: Don’t do Registry changes if you are not aware of the structure as it damages applications with one single change. Sometimes damages your computer operating system.


Windows Error Code 0x4004f00c can be a frustrating roadblock, but with a systematic approach, it can be resolved. 

At last, if you are still not able to resolve this issue. We recommend you to Chat with our experts. I am sure they will help you resolve this issue. If you like to see the procedure for paid support, to clarify, you may ask the Tech Available online.

Note – Don’t do Registry changes if you are not aware of the structure, as it damages applications with one single change. Sometimes damages your computer operating system too. Take a support from Online experts regarding any unresolved issues on your PC.Chat with our technician experts to fix your computer issues Now!

Chat with us for more Technical Support.

Scroll to Top