How to Reinstall QuickBooks?

QuickBooks accounting software at times restricts users to reinstall into the software. This is a frequently faced problem and the chances of occurrence of such errors are due to the damaged operating system or more than one core ingredients of Microsoft that is used by QuickBooks Desktop is not functioning properly.

In case your operating system is damaged or single/multiple Microsoft components of QB Desktop is unstable or not functioning correctly you are likely to encounter the following errors. Download and run the QuickBooks Install Diagnostic Tool to resolve a list of error messages you may receive while installing QuickBooks Desktop such as:

  • Quickbooks Error code 1603
  • Quickbooks Error code 1935
  • Quickbooks Error code 1904
  • Quickbooks Error code 1402
  • Quickbooks Errors relating to damaged Microsoft .NET Framework
  • Quickbooks Errors relating to damaged MSXML and C++

How to fix it install issue?

1. First Solution:

Use the QuickBooks Install Diagnostic Tool to resolve Microsoft .NET, MSXML, and C++ issues.

To run the QuickBooks Install Diagnostic Tool follow the steps mentioned below:

  • Download the QuickBooks Install DiagnosticTool
  • Once indicated -> save the file to the local desktop
  • Close any open programs then run the program on the QBInstall_Tool_v2.exe. (The completion of the process depends on internet speed and computers performance.)
  • Once done -> Restart the machine to ensure proper update to components

QuickBooks Install Diagnostic Tool is a specially crafted to diagnose and fix issues with Microsoft .NET Framework, C++, and MSXML.

2. Second Solution:

Try performing a Windows Update to install missing updates pertaining to .NET Framework, MSXML, and C++.

3. Third Solution:

Manual fixation of the problems with Microsoft components.

If you get stuck anywhere in the process, feel free to get in touch with SMB QuickBooks Technical Support Team, Which is available 24/7 on ?


  1. What do you understand with QuickBooks Install Diagnostic tool? Does it help in resolving the issue “Unable to Reinstall QuickBooks”?

    This tool is designed to help in rectifying installation related issues. It requires many Microsoft core components for the proper functioning of the software. When it comes to handling applications, the QB Install Diagnostic tool comes in handy. It also helps in fixing the issues related to C++, .NET Framework, and MSXML. Installing and running this tool helps a lot in fixing issues. Moreover, you can also resolve the “Unable to Reinstall QuickBooks” issue by running this tool.

  2. Can Windows create issues when I try to reinstall QuickBooks to a different system?

    Yes, sometimes it can create issues when your system Windows does not support the QuickBooks version which you look to reinstall to a different system. It can also be possible when your Windows has crashed. In such a case, you can first try to download the QuickBooks installer. Once completed, you can now proceed with the installation process.

  3. How to manually fix the Microsoft components in QuickBooks?

    Microsoft Windows components include .NET Framework, C++, and MSXML are important for the smooth QuickBooks installation. To repair it, you have to download the QuickBooks Component Repair Tool. Next, save the downloaded file on your system desktop. Close all the background running programs using the Task Manager. Open the QBInstall_Tool_v2.exe file and have patience till its diagnosis of Microsoft components completed then try to restart your PC once again.

Further Reading