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July 30, 2021

4 steps to fix QuickBooks Error 1601,1603 & 1642

4 steps to fix QuickBooks Error 1601,1603 & 1642


Have you seen QuickBooks Error 1601, 1603, or 1642 and are unsure what to do? You don’t have to worry, because we have some excellent answers for you. In this post, you will discover how to resolve QuickBooks Error Code 1601, 1603, and 1642 in a jiffy. But, before we go any further, we’d like to point out that if you’re unsure how to repair these issues, simply read this article all the way to the conclusion. In an orderly and easy-to-understand manner, we have discussed the reasons and troubleshooting procedures to resolve these difficulties. 


When you encounter this problem, the following error messages appear:


 For Error 1601: The Windows installation is not available.


For Error 1603: An fault occurred when installing the Microsoft.NET Framework, and the update installer encountered an internal error.


For Error1642: This error occurs during the installation of the Microsoft.Net Framework.


These posts describe the main explanations behind the unpleasant QuickBooks mistake. The main reasons are the installation or updating problem, and not the accounting data you use. You may take the procedures alone to remove QuickBooks error 1601, 1603, and 1642 of QuickBooks. And you may call our trained specialists at any time on 1-844-404-0904 if you have any questions or problems with the problem of resolving a problems


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What is the generating element of QuickBooks Errors 1601, 1603, and 1642?

The following are some of the common causes that contribute to QuickBooks error 1601,1603 & 1642.


  • If the Windows installation is damaged, this might be the first cause.
  • Furthermore, if there is harm to the installation of QuickBooks.


  • Damage or corruption in source configuration.
  • The system faces assaults by viruses and malware.
  • Settings on the Firewall now allow updating of QuickBooks.
  • The current windows user is not permitted to QuickBooks desktop install or update.


What is the solution to QuickBooks Errors 1601, 1603, and 1642?

Now that you know the facts that might lead to error codes 1601 and 1603 for QuickBooks – let’s look at the ways for fixing them. These error-solving stages can be tried in any sequence, but we advise that we do them for the best results in the order presented.


Solution 1: Unable antivirus

It does not take long to deactivate your antivirus program and may help you with QuickBooks Error Code 1601, 1603, or 1642. Here is how the antivirus application may be disabled on the Microsoft machine.


  • Press the Start key on a desktop or keyboard display.
  • Go to Settings and select Update & Security, followed by Virus & Threat Protection, Windows Security, and manage Virus and Threat Protection settings. 
  • Find and switch off “Real-Time Protection.” You may still do scheduled scans by doing this. 
  • This step might help you repair and prevent issues from Quickbooks as downloaded or installed files will only be scanned


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Solution 2: Microsoft.NET frame reinstalling QuickBooks

The first way to repair the issue is to reinstall QuickBooks for the Microsoft .Net framework. In case you obtain a bug after updating the Quickbooks programme, this particular technique should be selected. If the existing source causes the problem it would help to completely remove and rename the directories.


Step 1: Uninstall desktop QuickBooks

  • First of all, the windows and R keys must be pressed and the command run open.
  • Search for and open the control panel.
  • Then the application and features are selected.
  • And additionally, choose QuickBooks and press the Uninstall/Change tab.
  • The last step is to follow the directions on the screen and complete the QuickBooks uninstallation.


Step 2: Renaming directories for install

Use the clean install tool to rename or manually tool QuickBooks to accomplish this. tool.


Step 3: Software re-installation


  • QuickBooks desktop may be downloaded from Intuit’s official website and installed on the PC.


Solution 3: Microsoft.NET framework reinstalling and fixing

You can alternatively reinstall and restore the framework Microsoft.Net, and try to address those issues. The following steps are: 

Step 1: Install a diagnostic tool for QuickBooks running

  • First, the diagnostic tool of the Intuit website must be downloaded and installed by Quickbooks.
  • Then all open applications are closed and the QBInstall tool v2. Xe is double-clicked to launch them.

It might take a few minutes, so be patient.


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Step 2: Windows OS update

  • Click on the windows key.
  • Then enter the search bar for windows updates.


  • Also check for updates.
  • Once the diagnostic procedure is finished, you must restart the system to verify components are updated. The QuickBooks install diagnostic tool.


Solution 4: Use the doctor file tool of QuickBooks

In this situation, you can utilize the QuickBooks file doctor tool to find these problems during the installation of QuickBooks. The following stages are as follows:


  • You must utilize the QuickBooks doctor file tool, and attempt to rectify problems with data corruption.
  • Furthermore, the windows operating system will install all available updates.
  • Install all the Windows driver updates now.
  • The .NET framework must also be repaired manually and the problem is resolved.



These have been remedies that may be readily remedied by completing all the procedures for Quickbooks errors 1601 16003 and 1642. If your problem is not resolved or you have not found your answers, please contact our technical support staff or call our free toll-free number +1-844-405-0904 for a discussion with an expert.


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