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Article ID: 926804 - Last Review: July 12, 2013 - Revision: 25.1

Resolution


If you see "Error 1935. An error occurred during the installation of assembly component" when you install Office 2010 or 2007 or one of the Office stand-alone products like Excel, restart the computer and try to run setup again as a quick first step.

If the error still appears after restarting the computer, try these other methods to fix the problem:
Run the System Update Readiness tool
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IMPORTANT The System Update Readiness tool can only be used on Windows 7 or Windows Vista operating systems. If you have Windows XP, try one of the other methods in this article.

Select and download the System Update Readiness tool for your version of Windows:

For more information about the System Update Readiness tool and links to download versions for Windows Server operating systems, read What is the System Update Readiness Tool? (http://windows.microsoft.com/en-US/windows7/What-is-the-System-Update-Readiness-Tool)
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Repair or update Microsoft .NET Framework components
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First, check installed programs to see if the latest version of .NET Framework is installed. To do this, follow these steps:
  1. Click Start (or Start > Run in Windows XP).
  2. Type appwiz.cpl, and then press Enter.
  3. Look for Microsoft .NET Framework 4 Client Profile in the list of installed programs. See image.
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    Error 1935
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If you find Microsoft .NET Framework 4 Client Profile, follow these steps to repair it:
  1. Close all applications.
  2. Click Start (or Start > Run in Windows XP).
  3. Type appwiz.cpl, and then press Enter.
  4. Click Microsoft .NET Framework 4 Client Profile and click Uninstall/Change (or Change/Remove in Windows XP). See image.
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    Error 1935
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  5. Choose the option to Repair .NET Framework 4 Client Profile to its original state, and then click Next. See image.
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    Error 1935
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  6. When the repair is complete, click Finish, and then click Restart Now to restart the computer.
If you can't find Microsoft .NET Framework 4 Client Profile, download and install it to update the computer. You can download the file from:

Microsoft .NET Framework 4 (Web Installer) (http://www.microsoft.com/download/en/details.aspx?id=17851)
Try to install Microsoft Office again. If error 1935 continues to occur, follow the steps to uninstall and reinstall .NET Framework from the computer.
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Uninstall and reinstall Microsoft .NET Framework components
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IMPORTANT The .NET Framework Setup Cleanup Utility provided here should only be used only after you've tried the previous options.

To uninstall .NET Framework components from the computer follow these steps:
  1. Create a temporary folder on your desktop.
  2. Visit the .NET Framework Cleanup Tool User's Guide (http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx) blog and download the dotnetfx_cleanup_tool.zip (http://blogs.msdn.com/cfs-file.ashx/__key/CommunityServer-Components-PostAttachments/00-08-90-44-93/dotnetfx_5F00_cleanup_5F00_tool.zip) file.
  3. When prompted, click Open, and then click Extract Now. Extract the files to the folder you created.
  4. Find cleanup_tool.exe in the folder you created and double-click it.
  5. In the "Do you want to run the .NET Framework Setup Cleanup Utility?" message, click Yes.
  6. Click Yes to accept the license agreement.
  7. In the Product to cleanup window, choose a .NET Framework version that you want to remove.

    Note You can't remove .NET Framework versions that are part of the Windows operating system. If you have Windows 7, you can't remove .NET Framework versions 3.5 or lower. If you have Windows Vista, you can't remove .NET Framework versions 3.0 or lower. If you have Windows XP, you can't remove .NET Framework versions 2.0 or lower.
  8. Click Cleanup Now.
  9. Restart the computer once the .NET Framework component is removed.
  10. Download and install the following components, one at a time, based on your operating system:
    • .NET Framework 1.1 (http://www.microsoft.com/downloads/details.aspx?FamilyID=262d25e3-f589-4842-8157-034d1e7cf3a3) - For Windows XP only.
    • .NET Framework 1.1 SP1 (http://www.microsoft.com/downloads/details.aspx?familyid=A8F5654F-088E-40B2-BBDB-A83353618B38) - For Windows XP only.
    • .NET Framework 3.5 SP1 (http://www.microsoft.com/downloads/details.aspx?familyid=AB99342F-5D1A-413D-8319-81DA479AB0D7) - For Windows XP, Windows Vista, and Windows 7.
    • .NET Framework 4.0 (http://www.microsoft.com/en-us/download/details.aspx?id=17851) - For Windows XP, Windows Vista, and Windows 7.
  11. Restart the computer, and run Windows Update to install updates.
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Need More Help?

Get help from the Microsoft Community (http://answers.microsoft.com/)  online community, search for more information on Microsoft Support (http://support.microsoft.com/search/)  or Office Help and How To (http://office.microsoft.com/support/) , or learn more about Assisted Support (http://support.microsoft.com/contactus/)  options.

More information


If error 1935 happens when you install Office 2010 Service Pack 1 (SP1), follow the steps in the Description of Office 2010 update: September 13, 2011 (http://support.microsoft.com/kb/2553092) knowledge base article.

For related information about the 1935 error, read Error 1935 during install of the .NET Framework (http://support.microsoft.com/kb/308096) .





Applies to
  • Microsoft Office Basic 2007
  • Microsoft Office Enterprise 2007
  • Microsoft Office Home and Student 2007
  • Microsoft Office Professional 2007
  • Microsoft Office Professional Plus 2007
  • Microsoft Office Standard 2007
  • Microsoft Office Ultimate 2007
  • Microsoft Office Access 2007
  • Microsoft Office Excel 2007
  • Microsoft Office InfoPath 2007
  • Microsoft Office OneNote 2007
  • Microsoft Office Outlook 2007
  • Microsoft Office PowerPoint 2007
  • Microsoft Office Project Professional 2007
  • Microsoft Office Project Standard 2007
  • Microsoft Office Publisher 2007
  • Microsoft Office Visio Professional 2007
  • Microsoft Office Visio Standard 2007
  • Microsoft Office Word 2007
  • Microsoft Office Professional Academic 2010
  • Microsoft Office Home and Business 2010
  • Microsoft Office Home and Student 2010
  • Microsoft Internet Information Services Media Services 2.0
  • Microsoft Office Professional 2010
  • Microsoft Office Professional Plus 2010
  • Microsoft Office Professional Plus 2010 Home Use Program
  • Microsoft Office Standard 2010
  • Microsoft Office Starter 2010
Keywords: 
kbtshoot kbsetup kberrmsg kbexpertisebeginner kbprb KB926804
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