Microsoft office /365/2019/2021 Error code 3170

This article describes the Microsoft Office error 3170 solutions. It was found that many users were having trouble repairing or installing Office programs on their Windows and Mac computers. The major issues are due to Office365 licensing, Windows updates, and insufficient system resources like disk space, internet connectivity, etc. So, this article gives the solution for different types of office issues related to error code 3170.

Analyze Your Computer to Fix Error Code 3170

There are a few ironically showing Office error code 3170 which is required immediate action. 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 the Windows Inbuilt office installation programs under system tools, it gives all the information for the problem causing keys.

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

windows 11 update

Such pending updates are most important for any Windows Software while facing a software issue with other programs.

Malicious Software removal:-

Malware a malicious software which is not signed by Microsoft or intended to steal any user data are problem creating programs. They should be removed from a computer and Windows defender or any authorized third party programs provides to disinfect your computer from malware infections. They provide robust security features to safeguard your computer from hackers.

Disc clean-up:-

Disk cleanup is a procedure to delete the temporary files, junk files, from a specific drive. It involves deletion of setup Log files which were remaining after the installation of Windows Operating system, downloaded program files, temporary internet files, offline pages, system queued and archived windows error logs, delivery optimization files, recycle bin and thumbnails. This program calculates the space that can be cleared from your computer and will queue them up for deletion with the user selection.

Watch the video for disc-cleanup tutorial

Perform system office file scan.

To Run system files scan in your windows operating system

1.First, Open command prompt (CMD) in admin mode

2. Run the command SFC/SCANNOW 


If you see any file still missing after the scan, then move to the Event viewer to check what has occurred with the office error 3170.

Watch a video to know how to perform SFC SCAN to fix office program error code 3170.

How To Use Event Viewer to Check Office Error code 3170 Logs: –

Initially, it is important to understand how the event viewer works. Event viewer is an inbuilt feature of Windows Operating system to register the logs of your office programs. In case of any errors or failures on any office program, the event viewer supports you to open and check the event logs during such incidents. These logs will notate the failure reasons and can show you the trouble error code 3170.

Thus, these event logs can be analyzed by a technician to assist you properly on your computers. If a technician. This event viewer shows the logs in different types like critical, information or error.

event viewer

1.Click on a start button

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

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

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

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

6. Filter the logs to find office program related issues and warnings by selecting Filter current log option from the Right-side panel. Find any critical, error code logs the caused code 3170.

If you can’t find any reasons for this issue, then just take a chance to do a clean installation to save time.

Steps To Fix the office Error Code 3170: –

Sometimes the office program won’t be installed due to some reasons like internet connectivity, dependencies for the product or any virus that affected your computer files, etc. Then all you must do a clean installation by removing traces of office program files that existed from previous versions or by multiple office program installation trails by you due to several errors.

Delete Temporary Files:-

In the process of installing office or any product on your windows machines, there are so many office files gets created which are meant for temporary purpose for memory management, within application purposes like MDI etc.

Under normal conditions, these office files are closed and deleted by Windows when you exit a Windows session. However, if you quit Windows in an irregular way (for example, restarting the computer or turning it off during an active Windows session) the files are not closed or deleted.

To remove temporary office files, Follow these steps,

  1. Press on the windows start button + “R” to open the run command window.
  2. Type “%temp%” and press on the enter button, this leads to a window with temp files and folders.
  3. Select all (CTRL+A) “Shift + Delete” to remove permanently,

There may be some office files required admin permission to delete, just press on ok. Only a few office files can’t be removed because there are some applications that might be using them internally. Skip those office files.

Error code 3170 Fix- by deleting the Office traces from Program files: –

In some cases, Office program installation may stop because of several reasons like slow internet, server issues, etc. Then your machine creates some of the office files required to office 365/2019/2021 product.

When you try to re-install this time, you may see issues like these types of error code 3170 and different types based on the reason for failure.

You must delete these Office traces from the computer before trying re-installation process.

Repair/Uninstall Office installation Program: –

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

The following steps are explained how to uninstall Office 2019/2021 products on a PC (laptop, desktop, or 2-in-1). For other versions of Office 365/2021, including Office 2016 for Mac, or older versions of Office, see the section, Uninstall Office for Mac, Office 2019, or Office 2021 below. Trying to be uninstalling Office using the Control Panel first. If it is not working, use the easy fix tool or try uninstalling Office programs manually.

For Windows 10 Windows 11: –

  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 to windows10 start logo)
  3. From the list, search for Microsoft Office product and press on
  4. A window will open like here showing Add, Repair, Delete options.
  5. Then proceed to with repair and wait for sometimes. Once the repair is done you are ready to use Microsoft office product again.

To uninstall following the first 4 steps from repair process and choose to Delete instead of repair.

IMPORTANT. It is impossible to uninstall office program 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.

Installing Office Product: –

Once you have done the uninstallation process, now do a clean-up office program installation.

  1. Login to your Microsoft office account in
  2. Go to your dashboard to see the office product you purchased.
  3. Select “Install Office “option and then let it download, (you may see click SaveRunSetup, or Save File depends on browser type, select “save” for future purpose)
  4. Go to downloads in your computer and double press on office setup file to install.

If the error code 3170 persists, then try an advanced registry fix if you are familiar with it.

Windows Registry Fix: –

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

To Registry fix the error code 3170 in office 365/2021/2019 you need to delete the altered Office Registry keys or delete and re-create the keys with before values. (HEX CODE or H-KEYS).

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

Microsoft Office Error Code 3170 Returns Following Error Messages

  • Something went wrong Error code 3170 Go online for additional support.
  • Office is Busy, there is a problem starting the Office program Installation.
  • We are sorry, but we are unable to start your office program.
  • Sorry office program 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 for Office error code 3170.
  • Background office installation ran into a problem.

Something went wrong Error 3170 Go online for additional support

When trying to start an Office program application, you will get this error issue  stating “Something went wrong“. When the operating system is unable to add or remove the office products that you are requesting, It requests you to verify the file signature that is required to install the office product. Usually, the error 3170 series depend on the cause of the issue.

Something Went Wrong

Office program is Busy, there is a problem starting the Office Installation

The error “Office is Busy” appears when you try to open any office program like word ,excel PowerPoint etc, the office program already in progress .it gives a message “we are either updating or helping you or remove some office programs

Office is busy

We are sorry, but we are unable to start your office program.

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

Sorry, we ran into a problem in office installation Error code 3170.

Windows will show a message stating that your computer ran into a problem and needs to restart. A Microsoft Windows Operating system is released in two different types of versions depending on the hardware architecture such as 32 and 64. It is required to install the same versions of the office suitable for the Windows Operating systems. In case of any mismatch between the versions selected, you can see this error message that says no compatible Microsoft office products are detected.

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

A Microsoft Office product is available in various types like a disc or a click to run. In the case of a disc failure, you might see this: We are Sorry, But We Can’t Verify the Signature error message which says signatures of files required for installing the office product.

can't Verify Signature

Internet connection is needed to fix Office installation error code 3170

While you perform the online repair for your office product this error message may occur due to internet connection. You can do a quick offline repair. Also, Installation of Microsoft Office programs requires an internet connection depending on the version.

The latest Office 365 suite comes with a click to run version which is a small file when you click on it, that would start the installation by downloading all the required files for the office program. In the case of an internet connection or some connectivity failures, you end up seeing this error code 3170.

Background Installation ran into a problem.

Background Installation Ran into a Problem generally occurs when your Office program related files are corrupted. It is required to repair our Office program. In addition, we need to check for malware or virus-related issues on your PC.

Background installation ran into a problem


Unable to start Office program.

This message explains that the Microsoft office program has been stopped by our Windows and unable to start the office programs. The computer must be scanned using Windows system file scan process. It shows that Office program related files are missing from office folders. It has happened recently with any of your clean-up programs, a system restore could help you to fix the same.

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