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This article describes the Microsoft Office error code 1303 solutions. Error code 1303– It was found that several users have issues in repairing or installing Microsoft 365 and office 2019/2021 programs on their Windows and Mac systems. The majority of problems are due to Office licensing, windows updates, insufficient system resources such as disk space, Internet connectivity, etc.error code 1303

Office 365/2019/2021 error code 1303 Returns following error messages

Something went wrong Error code 1303 Go online for additional helpOffice is Busy, There is a problem starting the Office 2021 InstallationWe are sorry, but we are unable to start your programSorry installation can’t continue because no compatible office products are detectedWe are sorry, but we can’t verify the signature of files required to install your office 365/2021/2019 productInternet connection needed. Office error  1303Background installation ran into a problem

Something went wrong Error code 1303 Go online for additional help

You will get this error stating “Something went wrong” When you try to start an Microsoft Office product. If the operating system is not able to add/remove the office products, It requests you to verify the file’s signature that is required to install the office 365/2021/20219 product. Generally, returns error code series 300XX, or 1xxx series depending on the cause of the problem.

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

The error “Office is Busy” pops up when trying to open an Office 365 installation program such as word, excel, etc, and the office is already in progress. It displays a message “we are either updating or helping you add/remove a few programs.office is busy

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

“Unable to begin a program” is a general error in a windows operating system that is caused due to failed services of an office program. If the Windows Installer services are not working, then you cannot install an Office 365/2021 product.

Sorry, we ran into a problem Error code 1303 – Sorry installation can’t continue because no compatible office products are detected

Windows shows a message stating that your PC ran into a problem and needs to restart. A Microsoft Windows Operating system is released in two various-bit versions depending on the hardware architecture such as 32 and 64. It is needed to install related versions of the office suitable for the Windows Operating system.Something Went Wrong

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

An Office product is accessible in various forms. In the scenario of a disc failure, the error message “We are Sorry, But We Can’t Verify the Signature” says the signatures of files needed to install the office product.

Internet connection needed to fix Office error code 1303

This error message pop up due to internet problems, while you performing the online repair for your office product. Also, the Installation of Microsoft Office 365/2021 needs an internet connection based on the version. The new Office 365 suite appears with a click-to-run version which is a small setup file, that will start the installation by downloading all the needed files for the official program.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 office 365 installation error 1303.

Error code 1303

Background Installation ran into a problem

Background Installation Ran into a Problem generally pops up when the Office program-related files are damaged. Also, should check for malware or virus-related problems on your system.

Unable to start Office program

Unable to begin Office program explains that the program is stopped by your Windows. The system is scanned using the Windows system file scan process. It also displays that Office-related files are missing from Program folders. If this occurred recently with any of the clean-up programs, a system restore will help you fix it completely.

Check your computer to fix Microsoft 365 error code 1303

There will be a log for every action on your computer that records all the events called an Event viewer. It gives all the information for the problem-causing keys, which are caused due to the failure with the Windows-related services and the executable file. It is not able to read the needed files when trying to install Microsoft 365 or Office 365/2021/2019. There are problems with the start-up programs which should 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 a System File Scan (SFC) in the windows operating system, first Open the command prompt (CMD) in admin mode and Run the command as SFC/SCANNOW SFC/SCANNOWIf any file violations persist after this scan, then go to the Event viewer and check the cause of the Error 1303 Office 365 Installation. Watch the video on how to perform SFC SCAN to fix office error code 1303.

How to use Event viewer to check office error logs?

Firstly, click on a start button, open the command prompt in the Run Window Then, type “EVENTVWR” and press enter error code 1303After that, double-click on the “windows logs” option and click on the “application error code 1303Many logs in the Centre panel will appear, Filter the logs and search office-related problems by selecting Filter current log option error code 1303Finally, find any critical, error logs that cause error code1303.
  1. error code 1303
If you cannot get any reasons for the issues, then perform a clean office 365/2021/2019 installation to save your time or contact our experts to get immediate solutions.

Steps to Fix the Office 365/2019/2021 installation error code 1303

Sometimes the office products will install due to many reasons such as internet connectivity, dependencies for the product, or any viruses that affect system files, etc. Perform a clean installation to remove the traces of office program files that existed from older versions or by multiple microsoft 365 or office 2021/2019 installation trails.

Repair/Uninstall office program

Applies To – Office 2016, Office for business, Office 365 Admin, Office 365 Small Business Admin, Office 2013
The below procedures describe how to uninstall Office 2016 or 2013 products on a system. For other versions of Office, such as Office 2016 for Mac, or older versions of Office, see the section, Uninstall Office for Mac, Office 2010, or Office 2007 below.

For Windows 10 / Windows 11

Go to control panel from start buttonSelect Programs and features there to reach a list of installed programs on your computerFrom the list, search for Microsoft Office product and click on ChangeA window will open like here showing Add, Repair, Remove optionsThen proceed to with repair and wait for sometimesOnce 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’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.

Installing Office Product to fix the Error 1303 Office 2021 Installation

Once you have done the uninstallation part, now do a clean Microsoft 365 or office 365/2021/2019 installation. Login to your Microsoft office account www.office.com/ and then sign in Go to your dashboard to see product that you purchased and select the “Install Office “option and let it download, (you may see and 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 office error code 1303 issue persists, then try to an advanced registry fix if you are familiar with it.

Windows Registry Fix 

The registry in Windows is console that shows the structure of your Windows Operating system and its internal programs. The Hex codes inside to registry may change due to some unwanted conflicting programs which uses the same resources. To fix this microsoft office error code 1303 in office 365/2010/2016, you need to delete the altered Office Registry keys or to remove and re-create the keys with previous values. (HEX CODE or H-KEYS).Note: Don’t do Registry changes if you are not aware of its structure as it damages applications with 1 single change. Sometimes it damages your computer operating system.Take a support from Online Microsoft Chat Support Team regarding any unresolved issues on your computer. Also you can visit our website for more details and information for related error codes.Technical support
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