If you are trying to install Microsoft Office 2010 and hitting the brick wall of the "MSXML version 6.10.1129.0 required" error, you aren't alone. This specific component is a part of the Microsoft Core XML Services (MSXML) 6.0 Service Pack 1.
While Office 2010 is no longer officially supported by Microsoft Support, you can still resolve this installation hurdle with the right steps. Why You're Seeing This Error
This error typically occurs on older operating systems like Windows XP (SP2 or earlier) or Windows Server 2003 because they do not include the specific 6.10.1129.0 update by default. Modern systems like Windows 10 and 11 usually have this component built-in. Step 1: Download MSXML 6.0 Service Pack 1
To satisfy the Office 2010 requirement, you must download the official MSXML 6.0 SP1 redistributable package.
Official Link: Visit the Microsoft Download Center for MSXML 6.0 Service Pack 1.
Alternative Support Link: You can also find related updates on the Microsoft Update Catalog. Which file do I need? msxml6_x86.msi: For 32-bit Windows systems. msxml6_x64.msi: For 64-bit Windows systems. Step 2: Clean Up Conflicting Versions
Sometimes, having a newer version (like MSXML 6.0 SP2) can actually cause the Office 2010 installer to fail because it is looking for that exact version number.
MSXML 6.10: Download, Install, and Version Information - Expert Q&A
To resolve the error stating that the installation of Microsoft Office 2010 requires MSXML version 6.10.1129.0, you need to install Microsoft Core XML Services (MSXML) 6.0 Service Pack 1. Direct Download Link
This specific version is bundled with MSXML 6.0 SP1. While many original Microsoft download pages are no longer active due to Office 2010 reaching its end of support, you can still obtain the necessary components through the following official and verified channels:
Official Microsoft Update Catalog: Search for KB934268 to download the standalone update for MSXML 6.0 SP1, which updates the msxml6.dll file to version 6.10.1129.0.
Archived Microsoft Download Center: Historically, this component was found under FamilyID=d21c292c-368b-4ce1-9dab-3e9827b70604. Installation Steps download best msxml ver 61011 290 for office 2010
Check Current Version: Navigate to C:\Windows\System32 and locate msxml6.dll. Right-click the file, select Properties, and check the Details tab for the version number.
Download the Correct MSI: Ensure you select the version that matches your operating system architecture: msxml6_x86.msi for 32-bit systems. msxml6_x64.msi for 64-bit systems.
Run the Installer: Install the component and restart your computer.
Rerun Office Setup: After the reboot, launch the Microsoft Office 2010 installation again. The error should no longer appear. Why This Happens Installing and Redistributing MSXML 6.0 - Microsoft Learn
Fixing the Office 2010 Install Error: Where to Download MSXML 6.10.1129.0 If you’ve tried to install Microsoft Office 2010
recently, you might have hit a frustrating brick wall: an error message stating that the installation requires MSXML version 6.10.1129.0 This specific component—technically part of Microsoft XML Core Services 6.0 Service Pack 1
—is a prerequisite for the Office 2010 setup to handle XML data processing. Without it, the installer simply stops in its tracks. Microsoft Knowledge Base Archive Why is this happening?
Office 2010 was designed during an era when certain core Windows services weren't always pre-packaged with the OS or might have been a different version. Specifically, version 6.10.1129.0 is the version number assigned to the msxml6.dll MSXML 6.0 Service Pack 1 (SP1) is installed. Microsoft Knowledge Base Archive How to Find and Install the Right Version
To clear this error, you need to manually install the MSXML 6.0 redistributable. Here is the safest way to get your Office 2010 installation moving again: Download the Official Package: Navigate to the Microsoft Download Center to find the most recent security updates for MSXML 6.0 Service Pack 2
(which is backward compatible and supersedes the specific 6.10.1129.0 version required). Choose the Correct Architecture: For 32-bit systems, download msxml6_x86.msi For 64-bit systems, download msxml6_x64.msi Run as Administrator:
If you are using Windows 7 or later, right-click the installer and select "Run as Administrator" If you are trying to install Microsoft Office
to ensure it has the permissions needed to update system files. Restart and Retry: Once the installation is complete, restart your computer
. Then, run the Office 2010 setup again; it should now recognize the service and proceed without the error. Verification Tip
If you aren't sure if the installation worked, you can check your version manually. Navigate to C:\Windows\System32 , find the file msxml6.dll , right-click it, select Properties , and check the
tab. You should see a version number equal to or higher than 6.10.1129.0 Microsoft Learn Are you encountering any other error codes missing file prompts during your Office setup? MSXML version... - Microsoft Q&A
How to Download and Install MSXML 6.10.1129.0 for Office 2010
If you are trying to install Microsoft Office 2010 and see an error stating that MSXML version 6.10.1129.0 is required, you are not alone. This specific component, part of the Microsoft XML Core Services (MSXML) 6.0 Service Pack 1, is a critical prerequisite for the Office 2010 setup to proceed. What is MSXML 6.10.1129.0?
MSXML (Microsoft XML Core Services) is a set of services that allow Windows-based applications to process XML documents. Version 6.10.1129.0 specifically refers to the updated version of the msxml6.dll file included in MSXML 6.0 Service Pack 1 (SP1). It provides improved reliability, security, and better compliance with XML 1.0 standards compared to earlier versions. Where to Download MSXML 6.10.1129.0
Microsoft officially recommends downloading the MSXML 6.0 Redistributable package to resolve these installation errors.
Official Source: You can find the necessary files on the Microsoft Download Center.
Version Selection: Ensure you download the correct version for your system architecture: msxml6_x86.msi for 32-bit systems. msxml6_x64.msi for 64-bit systems. How to Fix the "MSXML Version 6.10.1129.0 Required" Error install office 2010 requires MSXML version 6.10.1129
To resolve the error stating "The installation of Microsoft Office 2010 requires that MSXML version 6.10.1129.0 be installed," you need to install Microsoft Core XML Services (MSXML) 6.0 Service Pack 1 . This version specifically updates the msxml6.dll file to version 6.10.1129.0 , which is a mandatory prerequisite for Office 2010. Microsoft Knowledge Base Archive Download Instructions Improved XML 1
You can download the official redistributable package directly from the Microsoft Download Center or via the following direct resources: MSXML 6.0 SP1 (6.10.1129.0): Available on the Microsoft KB Archive which links to the official redistributable. MSXML 6.0 (Base Version): If the SP1 installer fails, you may first need the base MSXML 6.0 Core Services Installation Steps Identify System Type:
Determine if your Windows operating system is 32-bit (x86) or 64-bit (x64). Download the Correct MSI: msxml6_x86.msi for 32-bit systems. msxml6_x64.msi for 64-bit systems. Run with Privileges: Right-click the downloaded file and select Run as Administrator to ensure the DLL files register correctly. restart your computer after the MSXML installation finishes. Resume Setup: Run the Office 2010 JustAnswer Troubleshooting Common Issues
If the installation still fails or claims a "later version is already installed," try these expert-recommended solutions: Registry Fix: Navigate to
HKEY_CLASSES_ROOT\TypeLib\F5078F18-C551-11D3-89B9-0000F81FE221\6.0\win32 Registry Editor and ensure your user account has Full Control permissions. sfc /scannow
in a Command Prompt to repair any corrupted system files that might be blocking the XML parser update. System Update:
For Windows XP users, this error often occurs because the system is on Service Pack 2; updating to Service Pack 3
typically resolves the missing MSXML requirement automatically. JustAnswer current Windows version already includes this component or instructions for the registry fix install office 2010 requires MSXML version 6.10.1129 22-Mar-2011 —
Do not download MSXML from third‑party sites. Use Microsoft’s official update catalog or a verified Knowledge Base article.
Go to the Microsoft Update Catalog:
https://www.catalog.update.microsoft.com
Search for “MSXML 6.0” or “KB973686” (a common MSXML 6.0 service pack update).
Download the correct .msu or .msi package for your system architecture (x86 or x64).
Alternative official download (if still available):
Search Microsoft.com for “MSXML 6.0 SP1” – Microsoft previously hosted this as a redistributable package.
