How to Fix QuickBooks Error Code 1935: A Comprehensive Guide

Are you facing QuickBooks Error 1935 while installing QuickBooks or Microsoft .NET Framework? This error typically pops up during the installation of QuickBooks on Windows, stating that an error occurred during the installation of assembly. It can be frustrating, but don’t worry! This article will guide you through understanding and resolving QuickBooks Error 1935 with simple, easy-to-follow steps.

What is QuickBooks Error 1935?

QuickBooks Error 1935 is an installation error that usually appears when there is a problem with Microsoft .NET Framework on your system. It can also occur if other applications are running in the background while you are trying to install QuickBooks. The error message might say something like:

  • “Error 1935: An error occurred during the installation of assembly component.”
  • “Error 1935: This setup requires .NET Framework”

This error prevents the completion of QuickBooks installation, affecting your ability to manage financial records efficiently.

Causes of QuickBooks Error 1935

Understanding the root causes of Error 1935 can help you troubleshoot more effectively. Here are some common reasons:

  • Interference from other applications: Running applications or background processes can conflict with the QuickBooks installation.
  • Problems with Microsoft .NET Framework: QuickBooks relies on Microsoft .NET Framework, and issues with it can lead to Error 1935.
  • Outdated Windows OS: An outdated version of Windows might not be compatible with the QuickBooks version you are trying to install.
  • Incomplete installation or corrupt download: If the QuickBooks installation files are incomplete or damaged, Error 1935 may occur.

Steps to Fix QuickBooks Error 1935

Here’s a detailed step-by-step guide to help you fix Error 1935:

  1. Restart your computer and close other applications:
    • Before retrying the installation, restart your computer to clear any ongoing processes that might be affecting the installation.
    • Make sure to close all unnecessary applications to prevent any conflicts.
  2. Update Windows:
    • Check if your Windows is up to date. Go to ‘Settings,’ select ‘Update & Security,’ and click on ‘Windows Update.’
    • Installing the latest updates can help resolve conflicts with the .NET Framework and improve compatibility.
  3. Repair or reinstall Microsoft .NET Framework:
    • Go to ‘Control Panel’ > ‘Programs’ > ‘Programs and Features.’
    • Find Microsoft .NET Framework in the list, select it, and click on ‘Uninstall/Change’ to repair the program.
    • If the issue persists, consider uninstalling and then reinstalling the .NET Framework.
  4. Use the QuickBooks Install Diagnostic Tool:
    • Download and install the QuickBooks Tool Hub from Intuit’s official website.
    • Navigate to the ‘Installation Issues’ tab and select ‘QuickBooks Install Diagnostic Tool.’
    • Run the tool. It can take up to 20 minutes. This tool automatically detects and fixes common issues with the .NET Framework, MSXML, and C++ issues.
  5. Turn off your antivirus software temporarily:
    • Sometimes, antivirus software can interfere with the installation of QuickBooks. Temporarily turn off your antivirus software.
    • Remember to turn it back on after the installation is complete.
  6. Perform a Clean Install of QuickBooks:
    • If the above steps don’t work, you should do a clean install of QuickBooks. This involves uninstalling QuickBooks, renaming installation folders, and then reinstalling QuickBooks.
    • Make sure to back up your QuickBooks data before proceeding with this step.
  7. Seek Professional Help:
    • If you’re still unable to resolve the issue, it might be time to contact QuickBooks Technical Support. They can provide more specific guidance based on the exact details of your situation.
See also  How to Fix QuickBooks Error 103


QuickBooks Error 1935 can be a stumbling block, but with the right approach, it can be resolved smoothly. Follow these steps carefully, and you’ll be on your way to a successful QuickBooks installation. Always ensure that your system meets the requirements for QuickBooks and that you have the latest updates installed for your operating system and software components. This proactive approach will help prevent future errors and ensure that your financial management tools run efficiently.

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