Solutions to Fix Microsoft Office Error Code 0x15

Error Code 0x15 of Microsoft Office commonly occurs because of an existing installation of MS Office pack in your computer system. Please note that this error is relevant to all the editions of Office 2021, office 2019 and Microsoft 365. Windows errors may be caused by hardware component malfunction or OS corruption. Some are even attributed to programming issues that were not resolved because errors were not addressed during design stage. Sometimes, Windows errors can occur due to changes made to the computer.

Error Code 0x15

Office 2021/2019 Error Code 0x15 Solutions

This can occur in the below enlisted versions of the MS Operating System

  • Windows Server Edition of the year 2022
  • Windows 10/11

You can also check the event log for more information about office installation errors by selecting the event source VSTO4.0 from windows application logs. Here providing some examples screenshots of how to check log and office licensing event issues.

Name of the error code Error code 0x15
Office version Office 2021/2019 or Microsoft 365
Difficulty High
Log name Application
Event source VSTO 4.0
Event ID 756
Computer <computer name>
user N/A
keywords Classic
Description The description for Event 756 0 from source Office 2013 Licensing Service cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

Indications of the Microsoft 365 or Office 2021/2019 Error Code 0x15

It is noteworthy that the detection of the Microsoft Office Error Code 0x15 in the earlier stages of the installation process can help you save a lot of time and effort. And there is no requirement of being a techno-savvy to detect the early warning signs of this kind of error.

The following are certain critical signs of Error Code 0x15

  • The installation process of Microsoft 365 or Office 2021/2019 will stop in an abrupt
  • An error message will be displayed on your screen when you open the office 365/2021/2019 program every time
  • The performance of your computer becomes slow and often hangs

How does this Office 2021/2019 Install Error Code 0x15 occur?

When it comes to the technical failures, then there can be a multiple number of factors contributing to the occurrence of this kind of installation error code 0x15. They are given below

  1. Slow speed of the Internet while installing Office program that may pause the background installation process abruptly
  2. A previous Office installation that failed or corrupt
  3. Domain Name System conflict issue (DNS)
  4. The security settings of your computer, software or the firewall blocking the installation process
  5. Proxy Settings that are active on your computer
  6. The pre-existing versions of the Office Suite
  7. Failed Repair/Change/Partial/Removal/Incomplete/Installation of Office Suite

How to Fix Microsoft Office Installation Error Code 0x15?

  1. Firstly, turn-off the Windows firewall settings and anti-virus
  2. Next, remove the temp files
  3. After this, perform the system file scanning
  4. Then, Repair/remove the installed office software
  5. After that, update the pending software patches from Microsoft
  6. Finally, re-install the office package from MS account

1.Turn-off Windows Firewall

Firstly, it is advisable to TURN OFF all the security settings, including the Firewall and security software. Then, if you have an antivirus security software installed in your computer, then TURN OFF the same on a temporary basis.

2.Remove the Temp Files

  • Go to path C:\Windows\Temp
  • Select all files and click on delete
  • Type %temp% in start menu search bar
  • Delete all files , you can skip files that are running in the background

3.Perform the SFC Scan

  • Firstly, click on the Start button and type CMD
  • After that, right click and run as an ADMINISTRATOR
  • Then, type the command SFC /SCANNOW in the command window and press <ENTER>

SFC Scan

It will take some time to finish the scanning process , if it shows any errors in the results you need to do proper action suitable to the error.

4.Repair/Remove Existing Office Software

If the error code 0x15 in Microsoft 365 still persists, please do Repair to the existing or half installed Office package on your computer. Then, proceed with the installation of Microsoft 365 Suite or Office 2021/2019.

In Windows 10/11 OS

  1. Type ‘Programs and Features’ in the search bar beside windows logo
  2. Scroll down and click on the office package from the list, and right click on it to find repair option
  3. Then click on the ‘Repair’
  4. Once the Repair process is being done, you can expect the Office Suite to work perfectly well
  5. In case the issue remains unresolved, it is recommended to uninstall by following the directions on screen, and re-install it

Windows 8 / Windows 8.1

  1. Click on the Windows Logo Key, then letter in order to open Run
  2. Insert the Command – ‘Control’ then press Enter
  3. After that, choose ‘Programs and Features’
  4. Then, scroll and click the Office product, then hit the ‘Change’ button given on the top of Window
    Error Code 0x15
  5. Pick ‘Quick Repair’ option and then click on the ‘Repair’
  6. Once the Repair process is being done, you can expect the Office Suite to work perfectly well
  7. In case the issue remains unresolved, it is recommended to uninstall by following the directions on screen and re-install it

In Windows 7

  1. Please click on the button indicating Start menu and subsequently choose the Control Panel
  2. Initiate the Programs and choose for the button ‘Programs and Features’
  3. Then, scroll and choose the Office product, then click the button indicating ‘Change’ located above the Window
  4. After that, select the ‘Quick Repair’ button and wait till the repairing process of the Office Program is executed
  5. In the case, the above mentioned steps unable to fix the error, then you will be requisite to uninstall all the office products and install them again

Steps to Follow Before Re-Installation of Office Software

Now remove office files from C:\Program Files (x86)\Common Files\Microsoft Shared (if you found any traces from older version) then re-install the office program from your Microsoft account. For additional support, chat with our online experts to take remote assistance. Still need help! Chat with our Technical Experts for further help and support

Error Code 0x15

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