QuickBooks Error 1601, 1603 and 1642 – Fix Installation or Updating HTML Error Status 1603

Solutions of Error 1601, 1603 and 1642 

QuickBooks is a futuristic yet simple-to-use accounting software. However, it’s not very uncommon for the users of this efficient software to face some issues. A few problems that business owners may encounter with the software while installing QuickBooks Desktop and/or a product update are:

  • Error 1601: Windows Installer is not accessible
  • Error 1603: There was a problem installing Microsoft .NET Framework [version]
  • Error 1603: The update installer has encountered an internal error
  • Error 1642: Error installing Microsoft .NET Framework when installing QuickBooks
QuickBooks Error 1603 - When Installing or Updating QuickBooks - Screenshot
Error code 1601, 1603 and 1642 can be caused by a damaged Microsoft Windows Installer or a damaged QuickBooks Desktop installation.

Causes of QuickBooks Error 1601, 1603 and 1642:

  • These errors mostly occur when your Microsoft Operating System has an infected file related to it.
  • Another major reason that may trigger such errors can be damaged or corrupted files related to your QuickBooks.
  • Any such damaged file can case these errors at the time of installing QuickBooks Desktop.

You can contact us on Error support number for QuickBooks 1-800-880-6389 to get more help and solutions.

How to fix Error 1601, 1603 and 1642 in QuickBooks?

You can follow the below-mentioned steps to fix Error 1601, 1603 and 1642:

Solution 1: Reinstall or Repair MS.NET Framework

Step 1: Run QuickBooks Install Diagnostic Tool
  • Download and install the QuickBooks Install Diagnostic Tool from the official website.
  • Close all the open programs and double-click on the QBInstall_Tool_v2.exe to run it (this process may take up to 20 minutes to complete.)
  • After the completion of diagnostic, restart your computer so that the components are updated appropriately.
Step 2: Update Windows
  • Press the Windows key on your keyboard
  • In the search bar at the bottom left, type Windows Update
  • Choose Check for Updates

Solution 2: Reinstall QuickBooks for Microsoft .NET Framework

Step 1: Uninstall QuickBooks Desktop
  • Press Windows and R keys together to open the Run command.
  • Search Control Panel and open it
  • Select Programs and Features
  • Choose QuickBooks and then Uninstall/Change.
  • Follow the prompts to complete uninstalling QuickBooks
Step 2: Rename the Installation folders
Step 3: Reinstall QuickBooks
  • Download QuickBooks from the official website of Intuit.

Blog Summary in Infographic

With the help of this Infographic you can understand how to solve QuickBooks Error Codes 1601, 1603 and 1642.

QuickBooks Error 1601, 1603 and 1642-Pro Accountant Advisor [Infographics]

The steps for Microsoft Windows, which is not a part of related to Intuit. These steps are not easy and errors may occur while troubleshooting the issues or uninstalling .net framework. We recommend you to perform these steps on your own risk only if you have good knowledge of computers.

Get experts help:

If the above given solution methods are not working for you then you can contact to our experts by dialing our toll-free number 1-800-880-6389. We have a largest team of accounting professionals and Certified ProAdvisors who are capable to handle tough to tough accounting challenges in very less time. Our 24*7 QuickBooks technical support team is equipped with all the modern tools and technology and can help you fix even the most complicated issues related to QuickBooks accounting software.

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