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

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

Are you facing this QuickBooks Error 1601, 1603, and 1642, and don't know a way out?

Don't worry. We've got your back.

When you try to update/install QuickBooks Desktop on your system, this error occurs.

Some of the error messages that appear are 

Warning errors

Error 1601: "Windows installer is not accessible”

Error 1603: "There was an issue installing Microsoft .NET Framework, and here the update installer encountered an internal error."

Error 1642: "This error occurs when installing the Microsoft .NET Framework during the installation of QuickBooks."

 

 

Common reasons for this error 

Some of the possible causes for QuickBooks Error 1601, 1603 & 1642 are :

• Damaged Microsoft Windows installer.
• Damaged QuickBooks installation.
• Corruption of the source of the QuickBooks installation.
• The system is vulnerable to malware and virus attacks.
• Limited access to firewall settings.
• Current Windows users don't have administrative rights to install/update QuickBooks Desktop.
  
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Proven Solutions to fix QuickBooks Error 1601, 1603, and 1642 

Solution 1 – Reinstalling the .NET Framework

Step 1 – Start QuickBooks Install Diagnostic Tool

 

• Download and install the QuickBooks Install Diagnostic Tool from its official website.
• Close all programs.
• Click on QBInstall_Tool_v2.exe to start it.
• When the process is finished, reboot the system.

Step 2 – Updating the Windows operating system 

• Tap the Windows key on your keyboard.
• Mention Windows update.
• Select Check for updates.

Solution 2 – Reinstalling QuickBooks for the Microsoft .NET framework

Step 1 – Uninstall QuickBooks Desktop

• Tap Windows + R keys.
• Go to Control Panel.
• Choose Program and Features.
• Select QuickBooks.
• Choose Uninstall / Change.
• Finish the uninstallation process.

Step 2 – Changing the names of the Installation folders.

• Use the QuickBooks Clean Install Tool to change the names of folders.
• You can do it manually, also.

Step 3 – Reinstallation of QuickBooks

• You have to download QuickBooks Desktop from its official website.
• Then install it on your system.

 

The steps mentioned for Microsoft Windows are not related to Intuit. The steps mentioned above are simple and easy.

Solution 3 – Disabling antivirus software

Turning off antivirus software is a simple process in resolving QuickBooks error 1603, 1601, or 1642.

Follow the steps below to turn off the antivirus software 

• Go to Settings section, update & security.
• Find real-time protection.
• Switch it off.
• You can run a periodic scanning process.
• This will help in fixing the error.

Solution 4 – Using the QuickBooks File Doctor Tool

Follow the steps below to use this tool : 

• Open QuickBooks.
• Move to the Company File Issues tab.
• Select the Run QuickBooks File Doctor option.

 

• Now, use the doctor tool.
• Try to fix data connection issues.
• Choose the Company file mentioned in the drop-down list.

• Select Check your file.
• Click Continue.
• Enter your admin password.
• Select Next.

How to identify QuickBooks Update error 1642 

• Getting consistent error messages on your screen.
• Slow response of keyboard and mouse functions.
• QuickBooks starts to crash while opening data files.
• Unable to finish the QuickBooks Desktop update.
• Unable to open the QuickBooks file.

Quick Fixes for QuickBooks error 1601 

Fix 1 – Using QuickBooks Install Diagnostic Utility

Follow the steps below :

• Download QuickBooks Tool Hub.
• Install it on your system.
• Go to the QuickBooks Install Diagnostic tool.

• Reboot and restart QuickBooks Desktop.

Fix 2 – Manually fixing Microsoft .NET Framework

Step 1 – Locate Microsoft .NET Framework

• Close all programs.
• Go to the Windows Start menu.
• Go to the Control Panel section.
• Navigate to Programs and Features
• Choose Uninstall a Program.

• Switch Windows Features On or Off.

Step 2 – Verification of .NET Framework 4.5

If MS .NET Framework is not selected 

• Click on the checkbox. .NET Framework 4.5.
• Click OK to save upgrades.
• Reboot your PC.

If the .NET Framework is selected 

• Disable .NET Framework.
• Choose OK to reboot the system.
• Mark the checkbox to switch on the .NET Framework.

Fix 3 – Repairing QuickBooks from the Control Panel

• Go to the Control Panel.
• Choose Programs and Features
• Select Uninstall a program.

• Choose QuickBooks Desktop
• Click Uninstall / Change
• Click Repair.
• Go through the on-screen instructions to complete the process.

Fix 4 – Clean Installation of QuickBooks

Installation errors in QuickBooks lead to QuickBooks error 1601. To resolve this, remove the current QuickBooks version and then install a new version using the Clean Install tool.

Follow the steps below :

• Go to the QuickBooks program.
• Click Help
• Click Activate QuickBooks Desktop.

Repeat the above steps on the QuickBooks desktop activation steps.

Fix 5 – Fixing the Microsoft MSXML Component

 For 64 64-bit Windows operating systems

• Go to the Windows Start menu.
• Type the cmd option
• Click Run as an administrator.
• Go to the C drive.
• Type “regsvr32 MSXML6.dll,”.
• Install QuickBooks Desktop again.

 32-bit Windows operating system

• Open the Run command
• Type “regsvr32 MSXML6.dll,”
• Click Enter
• Install QuickBooks Desktop again.
• Register the MSXML files.

Fix 6 – Updating Windows operating system version

• Go to the Start menu.
• Move to Settings
• Click on the Update & Security option.
• Choose Windows update
• Click Check for updates.
• Install them.

Fix 7 – Make sure Windows Installer is enabled.

• Go to the Windows search box.
• Type “Services.msc” command
• Select the Services tab.
• Select Properties
• Click on the manual Startup type
• Click Start and OK.
• Activate the Windows Installer service.

Methods to fix QuickBooks error 1603 

Method 1 – Running the install diagnostic tool from the tool hub

This tool automatically repairs the installation process in the QuickBooks desktop application for Windows users.

Follow steps 

• Download the QuickBooks tool hub

• Close all QuickBooks tabs on your system.
• Download the current version of the QuickBooks Tool Hub.
• Open the downloaded file.
• Check the box for terms and conditions.

Using the QuickBooks install diagnostic tool

• Open the QuickBooks tool hub.
• Choose Installation issues.
• Choose the QuickBooks install diagnostic tool.
• Wait for the tool to complete the process.

Method 2 – Updating Windows to recent versions

• Check Windows updates on Microsoft.
• Reboot your system after completing the Windows update process.
• Now, start QuickBooks for free.
• Open your company file.
• If you can't open it, try reinstalling QuickBooks Desktop.

Method 3 – Resolving Windows components manually

Follow the steps below :

Step 1 - Installation or repair of the Microsoft .NET Framework

• Close all background running processes.
• Go to the Control Panel.
• Go to the Programs and Features section.
• Choose Uninstall a program.
• Select Turn Windows features on or off.
• Lastly, locate the .NET Framework.

Step 2 - Repairing Microsoft MSXML

• For 64-bit operating systems
• Go to the Windows Start menu.
• Choose Run as an administrator.

• Lastly, install QuickBooks Desktop.

32-bit operating systems

• Open the run command.
• Type cmd prompt.
• Again, type  regsvr32 MSXML6.dll.
• Click Enter.
• Install QuickBooks Desktop.
  
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Method 4 – using selective startup for installing QuickBooks Desktop

Installing in selective startup mode:

Follow the steps below in case any third-party software is causing the error :

• Create a backup of the company files to prevent data loss.
• Close your system to restart it.
• Go to the run window.
• Type MSConfig in the run window.
• Go to the General tab.
• Select Selective Startup
• Choose Load System Services.
• Check Windows Installer.
• Click OK to save changes.
• Installing in Windows safe mode

• Open the run command prompt.

• Go to the Safe mode option.
• Click Apply and OK.
• Install QuickBooks desktop now.
• Finish the product registration process.
• Uncheck the Safe mode option.
• Reboot your system.

Method 5 – Restarting the Windows installer service

• Go to Control Panel.
• Choose the System and Security option.
• Choose the Administrative tool.
• Locate the Window installer option.
• First, disable then enable the service.
• The Windows installer service will be rebooted.

Conclusion 

We hope that this blog has helped you in fixing the QuickBooks errors 1601, 1603, and 1642. If you still face these errors, then feel free to connect with our QuickBooks ProAdvisor support experts for technical assistance so that you can run your business without any interference.

You can reach us at this number +1(325)244-1757.

FAQs 

What are QuickBooks Error 1601, 1603, and 1642?

These are the errors related to the Windows Installer, Microsoft .NET Framework, and other components needed to install or update QuickBooks. Other possible causes include damaged installation files and system files, a lack of user permissions, and security software.

To fix this, first update your Windows operating system, then start the QuickBooks Install Diagnostic tool and repair corrupted Windows components.

 How do I fix Error 1601 in QuickBooks?

 To resolve QuickBooks error 1601 :

• Reboot your system.
• Update QuickBooks software again.
• Run the QuickBooks Install Diagnostic tool.
• Uninstallation or reinstallation of QuickBooks updates..

What causes Error 1601, 1603, and 1642 in QuickBooks?

Main causes of errors are Windows Installer issues, damaged Microsoft .NET Framework, and incorrect installation of QuickBooks.                           

Can I fix QuickBooks Error 1603 using QuickBooks Tool Hub?

Yes, you can resolve the QuickBooks error 1603 using the QuickBooks tool hub, as it focuses on company file issues to resolve corrupted or flawed files or QuickBooks components.