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QuickBooks Install Fatal Error

QuickBooks Install Fatal Error

QuickBooks Install Fatal error occurs in multiple scenarios including while trying to open QB, during the installation of QuickBooks POS. Fatal errors become frustrating for users as it doesn’t clearly state the reason for the failure or sometimes, you may not be able to proceed with your work further on your accounting application. A few reasons are responsible for triggering fatal errors that will be discussed in the below section of this blog.

Once you know the exact reason then it will be easy to rectify QuickBooks Install Fatal error. After deeply analyzing the Fatal error, we have come up with this blog to inform you of all possible ways along with the reasons which may help you to figure out the error. So, stay tuned! 

Reasons that arise QuickBooks Install Fatal Error 

A software installation file and a QuickBooks setup file are required to install QuickBooks (any editions). If any of these fail to function correctly, a QuickBooks Fatal Error during installation may occur.

There are a few more reasons for this QuickBooks Error, which are given below:

  • This QuickBooks Error might occur when the Windows installer file is corrupted.
  • There’s a chance that the data in your QuickBooks company file has been damaged or corrupted.
  • One of the possible causes for the error to occur is a disrupted Internet connection.
  • When the installation file for QuickBooks POS is corrupted, the Fatal Error is likely to arise in the QuickBooks POS edition.

How to resolve QuickBooks Install Fatal Error? 

To fix the QuickBooks Install Fatal Error, we’ll use one of three methods: updating POS with the most recent installation file, repairing the Windows installer file, or doing a clean installation of QuickBooks Point of Sale. Let’s explore these methods one by one:

Method 1: Update your QuickBooks POS using External Patch 

By Updating your QuickBooks POS using External Patch it is easy to resolve the QuickBooks Install Fatal Error. To do so follow the steps mentioned below:

  • Start with updating QuickBooks POS with the most recent patch
  • Select Task Manager by pressing Ctrl + Alt + Del simultaneously
  • QBPOSShell.exe, QBPOSDBService.exe, and qbpos.exe are the processes to look for under the Process tab
  • Select End Task by right-clicking each process
  • To confirm, select the “Yes” tab
  • Once all of the processes have been completed, use the Windows + R keys together to open the Run window and then type services.msc in the text box
  • The QBPOS Database Manager service can be found by scrolling down the services list after clicking Ok
  • Select Stop by right-clicking the service
  • Now go to the C:\ProgramData\Intuit\QuickBooks Point of Sale XX\UPDATE and use Ctrl + A to select all of the files in the folder (If the folder is empty, make sure that Windows allows you to see hidden files)
  • In the end, after you’ve selected all of the files, hit the “Yes” button followed by pressing the “Delete” button.

If the problem persists, go to the next step in the troubleshooting process.

Method 2: Repair the Windows Installer File 

By repairing the Windows Installer File it is easy to resolve the QuickBooks Install Fatal Error. To do so follow the steps mentioned below:

  • Open the Run window by pressing Windows + R and then type services.msc
  • Select Windows Installer from the list of services and click Ok
  • Select Properties from the context menu when you right-click the service
  • Select Manual from the Startup Type drop-down menu and hit the OK tab
  • Now, right-click on the service and choose Start from the left-hand panel
  • Look for the most up-to-date Windows Installer Update link and download the file
  • Restart Windows after installing the file from the downloads
  • Check the status of the Fatal Error in QuickBooks after reinstalling QuickBooks POS. 

Method 3: Perform a Clean Installation of QuickBooks POS

By Performing a Clean Installation of QuickBooks POS it is easy to resolve the QuickBooks Install Fatal Error. To do so follow the steps mentioned below:

  • QuickBooks POS can be uninstalled via the Control Panel’s Add or Remove Programs
  • From the Intuit official website, you can get the most recent POS installation file
  • Start the installation by double-clicking the installation file from the downloads
  • To finish the installation, follow the instructions that appear on your screen
  • After the installation, open QuickBooks POS.

Additional Troubleshooting to fix QuickBooks install Fatal Error 

Here are some additional troubleshooting to fix QuickBooks Install Fatal. Before processing all additional troubleshooting, make sure to check these pointers out:

Method 1: Suppress the Desktop while starting your QuickBooks

By using suppress the desktop while starting your QuickBooks method for fixing QuickBooks Install fatal Error, to do this follow the steps which is mentioned list below:

  • On your keyboard, hold down the Ctrl key
  • To use QuickBooks, double-click the program’s icon
  • Hold down the Ctrl key until the “No Company Open” message appears.

Method 2: Suppress the Desktop while opening a Company File 

By using Suppress the Desktop while opening a Company File  method for fixing QuickBooks Install fatal Error, follow the steps mentioned list below:

  • Select the relevant company file from the No Company Open window by clicking on it
  • Click Open while holding down the Alt key on your keyboard
  • If you’re prompted for your login details, release the Alt key and type your User Name and Password
  • If you are not prompted for your User Name and Password, do not release the Alt key
  • Click OK after pressing and holding the ALT key
  • Wait until your file is entirely open before releasing the Alt key
  • If you can highlight a QuickBooks menu by simply hovering your pointer over it, QuickBooks will display a blank screen, indicating that your company file is open. 

Method 3: Create a new Windows Administrator 

Windows 8

  • Press the Windows + R keys together on your keyboard to open the Run window
  • Type Control Panel and then click Ok
  • Click on the User Accounts
  • Select the “Manage another account”
  • Select Other accounts and then click on the “Add an account”
  • Click on the “Sign in without a Microsoft account (not recommended)
  • Select the Local account
  • You need to enter the username, password, and password hint then click “Next”
  • The screen will return to the “Manage Other Accounts” 
  • Select the newly created account and click Edit
  • By default, the new user is set to the standard user
  • Click the drop-down menu and select the Administrator”
  • Click on OK.    

Windows 10

  • To open the Run window, press Windows + R on your keyboard
  • Click OK after entering the Control Panel
  • Select “User Accounts” from the drop-down menu
  • Choose “Manage another account” from the drop-down menu
  • Select “Create a new account” from the drop-down menu
  • Fill in the new account’s name
  • Click “Create Account” after selecting the Administrator.


Hopefully, the above-suggested methods will be helpful for you and help you in the easy rectification of QuickBooks install Fatal Error. Moreover, you can use our Live Chat option to connect with QB Professionals for your further queries or concerns. 


  1. Does opening a Company file from a changed location resolve QuickBooks install Fatal Error?

    Yes, it can help if the folder containing the QuickBooks company file is damaged. The below steps help you how:

    1. Close QuickBooks and right-click your desktop, then choose New from the menu
    This folder’s name QBTEST
    Return to the original location of the company file and open it
    Copy the file to the QBTEST folder you created previously
    Now, from the new location, open the company file.

  2. How do I create a new Windows Administrator? 

    1. Select Settings from the Start menu in Windows
    2. Select Accounts from the drop-down menu
    3. Select “Family and Other Users” from the drop-down menu
    4. Make your choice. Under Other Users, add another person to this PC
    5. Select I don’t know this person’s sign-in information from the drop-down menu
    6. Select “Add a user who does not have a Microsoft account” from the drop-down menu
    7. Click Finish after entering the new account’s name
    8. Select Account Type from the drop-down menu on the newly created account
    9. Click OK after choosing the Administrator

  3. How to display hidden files and folders?

    Displaying hidden files and folders is pretty simple. You just go to your Desktop or System Tray and select the folder icon to open File Explorer. Select the View tab followed by selecting the “Hidden Items” option.

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