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This article describes the Microsoft Office 365/2021/2019 installation program error code 1402 solutions. Office 365/2021 Installation Error Code 1402 was found that many users having trouble to repair or install office programs on their Windows and Mac computers. The majority of issues are due to the Office licensing, Windows updates, insufficient system resources like disk space, internet connectivity, etc. So this article provides the solution for different kind of office issues related to office 365 error code 1402. 

Microsoft Office 365/2021/2019 Error code 1402 Returns following error messages

1. Something went wrong Error  1402 Go online for additional help2. Office is Busy, There is a problem starting the Office 365 Installation3. We are sorry, but we are unable to start your office 365 installation program4. Sorry installation can’t continue because no compatible office 365/2021 products are detected5. We are sorry, but we can’t verify the signature of files required to install your office 365 product6. Internet connection needed. Office 365/2021 program installation error code 14027. Background installation ran into a problem

Something went wrong Error code 1402 Go online for additional help

When trying to start an Office application, you will get this error stating Something went wrong”. If the operating system unable to add and/or remove the office 365 products that you are requesting, It requests you to verify file’s signature that required to install the office 2021 product. Usually, returns error code series 300XX, 1xxx series depends on the cause of the issue.Something Went Wrong

Office is Busy, There is a problem starting the Office 365/2019 program Installation

The error “Office is busy” pops up when you try to open any office 365 installation program like word ,excel etc, and the office already in progress .It gives a message stating “we are either updating or helping you add/ or remove some programs”.

We are sorry, but we are unable to start your Microsoft office 365/2019 installation program

We are sorry, but we are unable to start your program is a common error in a windows operating system that causes due to failed services of a program. If there are Windows Installer services found to be not working, then you cannot install an Office 365 product.

Sorry, we ran into a problem Error code 1402 – Sorry installation can’t continue because no compatible office 365 products are detected

Windows will show a message stating that your PC ran into a problem and needs to restart. 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 2021 products are detected.

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

An Microsoft 365 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 We are Sorry, But We Can’t Verify the Signature error message which says signatures of files required to install office 365/2021/2019 product.Can't Verify Signature

Internet connection needed to fix the Office 365/2019 Program Error code 1402

While you performing the online repair for your office 365 product this error message may occur due to internet problems. You can do a quick offline repair. Also, Installation of Microsoft Office 365 Program 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 office 365 installation by downloading all the required files for the program. In the case of an intermittent connection or some connectivity failures, you might end up seeing this Microsoft 365 installation Error 1402.

Background Installation ran into a problem

The background installation occurs when your Office 365 Installation program related files are corrupted. It is required to repair your Office 365 program. In addition, we need to check for malware or virus related issues on your computer.

Unable to start Office 365/2019 installation program

The computer must be scanned using Windows system file scan process. This also shows that Office related files are missing from Program folders. If this happened recently with any of your clean up programs, a system restore could help you to fix the same.

Check your computer to Fix Office 365/2021/2019 Error code 1402

There will be a log for every action on your computer which 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 365/2021.

Perform system file SFC 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 SFC/SCANNOW If you see any file violations still exists after the SFC scan then move to Event viewer to check what has caused the Microsoft office 365/2021/2019 error code 1402. Watch video to know how to perform SFC SCAN to fix office 365/2021/2019 Installation program Error code 1402.

How to use Event viewer to check office error logs?

1.Click on a start button2. Type “RUN” and open the Run command prompt3. Type “EVENT VIEWER” and press enter key to open Event viewer logserror code 14024. Double click on “windows logs” from the left-side panel and select “application”5. Now you can see many logs in the Centre panel6. Filter the logs to find office related issues and warnings by selecting Filter current log option from the Right side panel error code 1402
  1. Find any critical, error logs the caused Microsoft 365 installation program Error code 1402. If you can’t find any reasons for the issues then just take a chance to do a clean Microsoft 365 installation to save your time.

Steps to Fix Microsoft Office 365/2021/2019 Installation Error Code 1402

Sometimes the Microsoft 365 won’t install due to several reasons like internet connectivity, dependencies for the Office 365 product or any virus that affected your computer files etc. Then all you have to do a clean office 365/2019 program installation by removing traces of office program files existed from previous versions or by multiple office 365/2021 installation trails by you due to several errors.

Repair/Uninstall office 365/2021 installation program

Applies To – Office 2016, Office for business, Office 365 Admin, Office 365 Small Business Admin, Office 2013
The following steps describe how to uninstall Office 2016 or 2013 products on a PC (laptop, desktop, or 2-in-1). For other versions of Office, including Office 2016 for Mac, or older versions of Office, see the section, Uninstall Office for Mac, Office 2010, or Office 2007 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 8/10

1.Go to control panel from start button2. 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 365/2019 product and click on Change4. A window will open like here showing Add, Repair, Remove options5. Then proceed to with repair and wait for sometimes. Once the repair is successful you are ready to use Microsoft office product againTo uninstall follow the first 4steps from repair process, and choose to Remove instead of repairIMPORTANT – It is impossible to uninstall office applications (word, excel, publisher Etc) individually from total office 365/2019 product. The only way to uninstall an individual app is if you purchased it as a stand-alone version.

Installing Office 365 Product to fix the Error code 1402

Once you have done the uninstallation part, now do a clean office 365 Program installation

1.Firstly, login to your Microsoft office account www.office.com/signin2. Secondly, go to your dashboard to see the product you purchased3. After that, select “Install Office “ option and then let it download (you may see click Save, Run, Setup, or Save File depends on browser type, select “save” for future purpose)4. Finally, go to downloads in your computer and Double click on office setup file to installIf the office installation error 1402 still persists then try an advanced registry fix if you are familiar with it

Windows Registry Fix Microsoft office 365/2021/2019 installation Error code 1402

The registry in Windows is a console that shows the structure of your Windows Operating system and it’s internal programs. The Hex codes inside the registry may change due to some unwanted conflicting programs which use the same resources. To fix the Microsoft office installation Error 1402 in office 365/2010/2016 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. Take a chat support from Online experts regarding any unresolved issues on your computer. You can also visit our website for more details and information.Technical support 
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