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QuickBooks Error 1603
QuickBooks Error 1603

Rectifying the QuickBooks Error 1603 with Reliable Steps

Getting errors while installing or updating QuickBooks is a common occurrence. Some of these errors pop up while running the installation process and prevent the user from completing the process. One such error is the QuickBooks error 1603 which is accompanied by an error message stating that the update installation has run into an internal fault. There can be a few possible reasons why this error code occurs and a missing installation file is one of the most prevalent reasons. If you are encountering the QuickBooks 1603 error message, read this article till the end. We are going to provide you with the reasons and solutions to get rid of this error effectively.

If you are unable to understand the steps or resolve the error code on your own, you can reach out to us at our toll free number and get assistance from our technical team with the same.

What are the Reasons behind the QuickBooks Desktop Error 1603?

The QuickBooks error code 1603 can occur due to the following factors –

  1. The Microsoft installer or QuickBooks installer is having some issues.
  2. There is damage to the Microsoft .Net framework.
  3. You have recently installed the creator update on your Windows 10 which is causing the error.
  4. The Windows security policies can also be a trigger for the error code 1603.

Symptoms or Early Signs of the QuickBooks 1603 Error Message

Some early signs to identify the QuickBooks error 1603 are –

  1. The company file you are trying to access might be locked.
  2. The installation process might not be getting sufficient permissions.
  3. Windows temporary folders might be full.
  4. You might be using an old version of QuickBooks software.
  5. Your Windows OS might be outdated and needs to be updated.

Recommended to read: QuickBooks Error 1722

Addressing the QuickBooks Error Code 1603 Effectively

The QuickBooks error message 1603 can be resolved with the help of the following solutions –

Solution 1 – Perform a QuickBooks Diagnosis by Utilizing the Tool Hub

Firstly, you need to run the QuickBooks Tool Hub and if you don’t have the utility, you need to download and install it on your computer.

  1. Download and install the QuickBooksToolHub.exe file and follow the on-screen instructions to install the tool hub.
  2. Double-click and open the QuickBooks Tool Hub and go to the Installation Issues tab to run the diagnosis.
  3. Select the QuickBooks Install Diagnostic Tool from the tab and run the tool to perform a quick diagnosis.
  4. Once the tool stops running, rerun QuickBooks and see if the installation process is running.

Solution 2 – Launch Windows and Install the Latest Updates to Upgrade it

You need to make sure that your Windows OS is updated to the latest release to fix the QuickBooks error 1603.

  1. From the Windows Start menu, access the Control Panel and scroll down the list of settings.
  2. Find and click the Windows Update option and select Check for Updates from the Windows Update header.
  3. Look for any available updates and begin downloading them to upgrade your Windows.
  4. Once done, perform a system reboot and rerun the QuickBooks installation process.

Solution 3 – Repair and Re-Install the Damaged Microsoft Framework

Fix the damaged Microsoft .Net framework and get rid of the QuickBooks 1603 error message.

  1. Exit QuickBooks and go to the Windows Start menu to search for the Programs and Features option.
  2. From the Programs and Features tab, select the Microsoft .Net Framework and choose the Uninstall/Change option.
  3. Select Repair and click on Next to perform a repair on the damaged component.
  4. Once the repair process ends, restart your PC and open your QuickBooks data file.
  5. Now, from the Windows Start menu, search for Programs and Features again and look for the .Net Framework.
  6. Click on Uninstall/Change and follow the on-screen instructions to uninstall the framework.
  7. Visit the Microsoft .Net Framework Download Link and install the framework again.
  8. Lastly, reboot your PC and access your QuickBooks Desktop to run your company file.

Solution 4 – Mend the Windows Installer Issues from the Run Window

Firstly, you need to start your computer in Selective Startup Mode by selecting Safe Mode from the Boot options. Then, you need to fix the Windows Installer issues in the following manner –

  1. Press the Windows + R keys to open the Run window and type msconfig into it.
  2. From the Services tab, check the Hide all Microsoft Services checkbox and click on Disable All.
  3. Now, uncheck the Hide all Microsoft Services checkbox and select Windows Installer from the list of services.
  4. Hit OK and go to the System Configuration window to select the Reset option.

Recommended to read: QuickBooks Error 6000 83

Solution 5 –Fix the Issues with the Damaged Microsoft MSXML 4.0 Component

You need to install QuickBooks through CD and then, insert the CD into the provided slot of your system. Then, you need to fix the damaged MSXML component to get rid of the QuickBooks Desktop error 1603.

  1. Close QuickBooks and follow the on-screen instructions to start the installation of the Microsoft MSXML component.
  2. Enter the following text in the search bar of your desktop: msiexec.exe/forum ’d:\QBOOKS\msxml.MSI’
  3. Hit Enter and run the command to locate the file on the D drive of your computer.
  4. Follow the same steps for Windows 7 and XP users too and fix the MSXML component.

Solution 6 – Rerun the Windows Installer from the Control Panel

As the last step, you can try to run the Windows installer service again and eliminate the error code 1603 in QuickBooks.

  1. Go to the System and Security tab from the Control Panel and choose the Administrative Tool.
  2. Double-click on the Services option and find the Windows Installer option to disable it.
  3. Now, select Enable to enable the service again to restart the Windows installer service.


The QuickBooks error 1603 can be easily rectified with the help of a few simple steps. Follow the solutions provided above and if the error code persists, you can reach out to us at our toll free number and get assistance from our team of experts in fixing the error.

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