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Repair or reinstall Microsoft .NET Framework (Errors: 1603, 1903, 1722, 1904)

The Microsoft .NET Framework is a Microsoft component used by programs such as QuickBooks to integrate with Web applications. For more information, see Microsoft's .NET Framework Overview.

This article provides step-by-step instructions to repair or reinstall Microsoft .NET Framework error messages including: 1603, 1904, 1935, and 1722.



The following troubleshooting steps are for the Windows operating system, which is not an Intuit product. The steps can become complex if errors occur while repairing or uninstalling .NET Framework. If you are not comfortable doing these steps on your own, Intuit recommends you consult with your computer's manufacturer or other computer professional.

Detailed Instructions

Solution 1: Download and run the QuickBooks Install Diagnostic Tool

The QuickBooks Install Diagnostic Tool will attempt to correct problems with Microsoft Components which can cause unexpected errors when installing QuickBooks.

Note: If QuickBooks is already installed and isn't functioning properly, run the QuickBooks Component Repair Tool.

  1. Download the QuickBooks Install Diagnostic Tool if you are having problems installing QuickBooks.
  2. Save the file to your Desktop.
  3. Double-click the file to run the tool.
    • If any errors were detected that would cause the installation to fail, the QuickBooks Install Diagnostic Tool will automatically run the steps to correct the problem. Note: A reboot may be required.
    • If the tool says "No Errors Detected" or does not resolve the issue, you can run the QuickBooks Component Repair Tool which will automatically troubleshoot and repair Microsoft components needed for QuickBooks to function properly.
  4. If your are still experiencing problems, try performing a Windows Update to install missing updates pertaining to .NET Framework, MSXML, and C++. Important: If you encounter any errors performing a Windows Update, contact a qualified IT professional or Microsoft.

Solution 2: If you are an IT professional or similarly advanced Windows expert and prefer to manually resolve this issue.


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If these steps do not resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free or you can contact a technical support agent for additional guidance. Fees may apply.

KB ID# HOW12407
9/1/2014 6:45:11 AM
PPRDQSSWS402 9102 Pro 2013 1da99b