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Microsoft Office 365/2021/2019 installation Error 30169-26

Microsoft Office 365/2019/2021 installation program Error code 30169-26 encountered that many users were having trouble repairing or installing office 365/2021/2019 programs on their Windows and Mac computers. The major issues pops up due to Office licensing, Windows updates, insufficient system resources like disk space, Internet connectivity, etc. In this article it gives solutions for different kinds of office issues related to office 2021/2019 error code 30169-26, Error Code 300198-25.

Microsoft Office 365/2021/2019 installation Error code 30169-26 Returns following error messages

1. Something went wrong Error code 30169-26, error 30198-25 Go online for additional help

2. Office is Busy, There is a problem starting the Office Installation

3. We are sorry, but we are unable to start your Office 365/2021/2019 installation program

4. Sorry installation can’t continue because no compatible office 365/2021/2019 products are detected

5. We are sorry, but we can’t verify the signature of files required to install your office 365/2021/2019 product

6. Internet connection needed Office 365/2021/2019 Installation Error code 30169-26

7. Background installation ran into a problem


Something went wrong Error code 30169-26 Go online for additional help.

When you are starting an Office application, you receive an error stating that “Something went wrong”. If operating system is not able to add or remove the products requested, It requests you to verify the file’s signature and install office 365 products. Usually, it returns error code series 300XX, or 1xxx series depends on cause of the related issue.


Office is Busy, There is a problem starting the Office 365/2021/2019 program Installation

Error “Office is busy” pops up when you try to open any office 365/2021/2019 program like word, excel, PowerPoint etc, and office is already in progress. A message shows that “we are updating you to add or remove some programs”.

Error code 30169-26


We are sorry, but we are unable to start your office 365/2021 installation program.

This program is common Microsoft office 365 installation Error 30169-26 in the Windows operating system that is caused due to the failed services of a program. Windows Installer services are found to be not working, they cannot verify the signature install an Office 365/2021 product.


Sorry, we ran into a problem Error code 30169-26 -Sorry installation can’t continue because no compatible office 365/2019 products are detected.

Windows displays a message showing that your system ran into a problem, and it needs to restart system. A Microsoft Windows Operating system is announced in various bit of versions depending on the hardware architecture such as 32 and 64. It is necessary to install similar versions of Office that suitable for Windows.

In case of any mismatch in the versions selected, you can see this error message that says no compatible office 365/2021 products are detected.


We are sorry, but we can’t verify the signature of files required to install your office 365/2021/2019 product.

An Office 365/2021 is an product package available in different various forms such as a disc or 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 the office 2021 product.


Internet connection needed Office 365/2021 Installation Error code 30169-26 .

This error message happens due to internet problems when performs an online repair for your office 365/2021 product. You can do a quick offline repair. And also installation needs an proper internet connectivity

The new Office 365 suite comes with click-to-run feature that has a short setup file that will start Microsoft 365 installation. Due to intermittent connection or connectivity failures, you will see Microsoft office 365/2021/2019 installation error code 30169-26


Background Installation ran into a problem

Background installation pops up when Office program-related files are corrupted. It is necessary to repair Office applications. And also a malware and or virus related issues can be checked in PCs


Unable to start the Office 365/2021/2019 Installation program

The message shows that official program has been stopped by your Windows. This should be scanned using Windows system files. This also shows that Office-relevant files are missing from Program folders. It has been encountered with any kind of the clean-up programs, and system restores will help you to fix the issues.


Reasons for this Error Code 30169-26

Corrupted Office Installation File

If the Office installation files are corrupted or incomplete, it can trigger Error 30169-26during the installation process.

Software Conflicts

Certain third-party applications or security software might interfere with the Windows Update process, causing errors. This interference can prevent the seamless installation of updates.

Residual Office 365 Trials

One of the primary reasons for Error 30169-26 is the presence of remnants from previous Office 365 trial installations on the system. These trials may not have been completely uninstalled, leading to conflicts during the new installation process.

User Account Control Settings

 User Account Control (UAC) settings on your system may prevent Office from installing properly, leading to the occurrence of Error 30169-26. 

Methods to Fix the Microsoft office 365/2021/2019 installation Error code 30169-26

Sometimes the office 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 installation by removing traces of office program files that existed from previous versions or by multiple office installation trails by you due to several errors.

Remove Temporary Files

Under normal conditions, these files are colsed and deleted by Windows when you quite a Windows session.


 However, if you quit Windows in a 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 files, Follow these steps,


  • Click on windows start button + “R” to open the run command window.
  • Type “%temp%” and click on the enter button, this leads to a window with temp files and folders.
  • Select all (CTRL+A) “Shift + Delete” to remove permanently,
  • There may be some files that requires admin permission to remove, Just click on ok.

Perform system file SFC scan

To Run a system file scan the windows operating system

First Open a command prompt (CMD) in administrator mode and then  run the command SFC/SCANNOW

If you see any file violations still exists after scan, then move to the Event viewer to check what has been caused by the office 365/2019 program installation error code 30169-26

SFC Scan

How to use Event viewer to check office error logs

  • Click to start button and open Run command prompt window.
  • To open Event viewer logs, type “EVENT VIEWER” command and then press enter.
  • error code 30169-26
  • And tap double to “windows log” and then select to the “Applications “
  • Many logs are visible in the Centre panel. Filter the logs and check office-related problems and warnings by selecting Filter current log option.
  • Finds critical error logs that cause an error code 30169-26. If there are no reasons for these issues to be found, then perform a clean office 365/2021 installation.

Repair/Uninstall office 365/2021/2019 program

The following procedure shows you that how to uninstall Office 2019 or 2021 products on your system. For other new versions of Office and try to uninstall Microsoft Office by using of Control Panel. If that does not work, use this to easily fix the tool or try uninstalling Office manually.


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

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 365/2021/2019 products. The only way to uninstall an individual app is if you purchased it as a stand-alone version.


Windows Error Code 30169-26 can be a frustrating roadblock, but with a systematic approach, it can be resolved. By following the troubleshooting steps outlined in this article, users can address the root causes of the error and restore their systems to optimal functionality. 

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