This describes the Microsoft Office 365/2021/2019/2021 Installation program Error code 1-6 solutions in this article. Office 365/2021 Error Code 1-6 was reported that many users having trouble to repair or install office 365 programs on their Windows and Mac computers.
Understanding Error Code 1-6:
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 Microsoft office 365 installation Error code 1-6.
Possiblity of Getting this Error Code 1-6
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
Use Event viewer to check office error logs
- Firstly, click on a start button
- Secondly, type “RUN” and open the Run command prompt
- Thirdly, type “EVENT VIEWER” and press enter key to open Event viewer logs
After this, double click on “windows logs” from the left-side panel and select “application “
Now you can see many logs in the centre panel
After that, filter the logs to find office related issues and warnings by selecting Filter current log option from the Right side panel
Repair/Uninstall office 365/2019 installation program
- Go to control panel from start button
- Select there to reach a list of installed programs on your computer.
- From the list, search for Microsoft Office 365 product and click on Change
- A window will open like here showing Add, Repair, Remove options
- Then proceed to with repair and wait for sometimes. Once the repair is successful you are ready to use Microsoft office 2021 product again
Installing Office 365/2019 Product
- Once you have done the uninstallation part, now do a clean office 365/2021 installation.
- Login to your Microsoft office account www.office.com/signin
- Go to your dashboard to see the office 365 product you purchased
- 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)
- Go to downloads in your computer and Double click on office setup file to install
- If the Microsoft office 365/2019 installation Error code 1-6 still persists then try an advanced registry fix if you are familiar with it or contact our experts for the clear solution.
Windows Registry Fix Microsoft office
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 365 installation Error code 1-6 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).
Solutions to Fix Office Error Code 1-6
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.
Something went wrong Error code 1-6
Corrupted system files are a common culprit for Windows Update errors. These files can result from various factors, including sudden power outages, malware infections, or software conflicts.
Office is Busy
The error “Office is Busy” appears when you try to open any office 365 installation program like word, excel etc, and the office already in progress .
We are either updating or helping you add/ or remove some office 365 program error code 1-6.
We are sorry, but we are unable to start your office
An Office 365/2021 product package is available in different forms like a disc or a click to run. In case of a disc failure, you might see this We are Sorry, But We Can’t Verify the Signature error message
Background Installation ran into a problem
Background Installation Ran into a when your Office 365/2019 installation program related files are corrupted. It is required to repair your Office 365/2019 program. In addition, we need to check for malware or virus related issues on your computer.
Microsoft Office 365/2021/2019 Error Code 1-6 Returns Following Error Messages
- Something went wrong Error code 1-6 Go online for additional help
- Office is Busy, There is a problem starting the Office 365 Installation
- We are sorry, but we are unable to start your office 365 program
- We are sorry, but we can’t verify the signature of files required to install your office 365/2021 product
- Internet connection needed Office 365/2019 program Error code 1-6
- Background installation ran into a problem
Something went wrong Error code 1-6 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 products that you are requesting, It requests you to verify file’s signature that required to install office 365/2021/2019 product. Usually, returns error code series 300XX, 1xxx series depends on the cause of the issue.
Office is Busy, There is a problem starting the Office 365/2021/2019 Program Installation
The error “Office is Busy” appears when you try to open any office 365 installation 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 365 program error code 1-6.
We are sorry, but we are unable to start your office 2019 installation program
“Unable to start a Office 365 program” is a common Windows update error 1-6 in a windows operating system that causes due to failed services of a office 2021 installation program. If there are Windows Installer services found to be not working, then you cannot install an Microsoft 365 product.
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 the 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 product
An Office 365/2021 product package is available in different forms like a disc or a click to run. In 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 to install the office product.
Internet connection needed to fix Microsoft Office 365/2021 installation Program Error code 1-6
The Internet is one of the requirements for doing office click to run the office 365 installation. If there are any intermittent connections, your system may not respond correctly and it may cause different issues with office 365 installation or updates. This will in turn fails your office 365 program to start and working correctly.
Also, Installation of Microsoft 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 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 office 365/2019 program error code 1-6.
Background Installation ran into a problem
Background Installation Ran into a when your Office 365/2019 installation program related files are corrupted. It is required to repair your Office 365/2019 program. In addition, we need to check for malware or virus related issues on your computer.
Unable to start the Microsoft Office 365/2019/2021 installation program
This message explains that the program has been stopped by your Windows and unable to start the office program. An Office program uses the services from the Windows operating system to start and function correctly. There are many dependencies with system files and their services. In case of any failure in such system services or the system files, there are chances that your office 365/2021 program may not start correctly.
Diagnose your computer to fix Microsoft Office 365/2021/2019 error code 1-6
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.
Check List Before you attempt a fix to Office 365 Error code 1-6
Windows updates are released to update security patches within your Windows Operating system. Since the inception of Microsoft Windows, it tracks the new updates available on the Microsoft Catalog database and downloads all the important and optional updates. Optional updates are specified for third party products like attached hardware or it can be some third-party non-Microsoft Software. 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 disinfect your computer from malware infections. They provide robust security features to safeguard your computer from hackers.
Disc clean-up
Disk clean up 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.
Watch the video for disc-cleanup tutorial
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

How to use Event viewer to check office error logs?
Steps to Fix the Microsoft Office 365/2021/2019 Error Code 1-6
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 office 2019 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.
Repair/Uninstall office 365/2019 installation program
Applies To: Office 2016, Office for business, Office 365 Admin, Office 365 Small Business Admin, Office 2013
For Windows 8 / Windows 8.1/10
Go to control panel from start button
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)
From the list, search for Microsoft Office 365 product and click on Change
A window will open like here showing Add, Repair, Remove options
Then proceed to with repair and wait for sometimes. Once the repair is successful you are ready to use Microsoft office 2021 product again
To uninstall follow the first 4 steps from repair process, and choose to Remove instead of repair.
Installing Office 365/2019 Product
Once you have done the uninstallation part, now do a clean office 365/2021 installation.
Login to your Microsoft office account www.office.com/signin
Go to your dashboard to see the office 365 product you purchased
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)
Go to downloads in your computer and Double click on office setup file to install
- If the Microsoft office 365/2019 installation Error code 1-6 still persists then try an advanced registry fix if you are familiar with it or contact our experts for the clear solution.
Windows Registry Fix Microsoft office 365/2021 Error code 1-6
Once you have done the uninstallation part, now do a clean office 365/2021 installation.
Login to your Microsoft office account www.office.com/signin
Go to your dashboard to see the office 365 product you purchased
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)
Go to downloads in your computer and Double click on office setup file to install
- If the Microsoft office 365/2019 installation Error code 1-6 still persists then try an advanced registry fix if you are familiar with it or contact our experts for the clear solution.
Conclusion
At last, if you are still not able to resolve this issue Error Code 1-6. 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.
Take a support from Online experts regarding any unresolved issues on your computer.
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