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QuickBooks Error 15226

    When an application is running while installing QuickBooks, the system shuts down and complies with a set of rules, resulting in QuickBooks Error 15226. During the start-up, shutdown, or even installation of the Windows operating system, the error code usually pops up when the system is unresponsive or when system files are missing. QuickBooks error 15226 belongs to a QuickBooks 15xxx series error usually arises when a computer is upgraded or a new version of QuickBooks is installed. In this blog, we’ll discuss QuickBooks error 15226 and how to solve it. Thus, stay tuned till the end of the blog.

    What is QuickBooks Error 15226?

    When QuickBooks downloading or installing the latest software updates, QuickBooks Error 15226 occurs. The most common reason for Quickbooks error 15226 is an erroneous Internet Explorer setting. It also happens when QuickBooks tries to validate the digital signature of all files it downloads.

    Reasons for QuickBooks Error 15226

    The root reasons assist you in comprehending the core components that could lead to the error, and knowing these underlying causes makes it much easier to resolve the problem. QuickBooks Error 15226 is caused by the following factors:

    • QB/system files on Windows could result from the virus and malware infection, company files are damaged.
    • QuickBooks was set up incorrectly.
    • Windows registries could be damaged or destroyed.
    • If there are any other programs running on top of it.
    • QuickBooks Error 15226 can be caused by a variety of things, including server failure.

    These are the most common causes of QuickBooks Error 15226, and once you’re aware of the error, it will help you to fix the error with ease. Now that you know what causes QuickBooks Error 15226, read on for some manual solutions to fix the Quickbooks error 15226.

    How to Overcome QuickBooks Error 15226?

    You can use a variety of tools to remedy the majority of these issues, but you should start with the manual methods as indicated below:

    Total Time: 30 minutes

    Install a Digital Signature Certificate

    Because Microsoft products are so intertwined, you must first import your digital certificate into Internet Explorer (even if you don’t use it as your primary browser) before utilizing it in Microsoft Office. These instructions work with Internet Explorer versions 9 through 11. The window and button titles will remain similar across versions, notwithstanding small modifications. You must follow the steps outlined below to install a digital signature certificate:
    🔹 Use the Internet Explorer browser to get started
    🔹 From the toolbar’s “Tools” menu, select the “Internet Options” option
    🔹 Choose the “Internet Options” from the Gear tab in the upper-right corner if the toolbar isn’t accessible
    🔹 From the drop-down menu, choose the “Content” tab
    🔹 From the drop-down option, choose “Certificates” 
    🔹 On the “Personal” page, select the “Import…” option
    🔹 In the Certificate Import Wizard window, click the Next button to begin the process
    🔹 From the drop-down menu, choose “Browse…”
    🔹 Make sure the button next to “File name:” in the folder where you saved your digital certificate reads “Personal Information Exchange (*.pfx;*.p12)” is selected
    🔹 After selecting the filename where you saved the certificate, click the “Open” button.
    🔹 Double-check the filename in the “Certificate Import Wizard” box before clicking the “Next” button.
    🔹 Enter the PIN or password you used to download the certificate in the “Password” text box, check the second and third checks, and then click the “Next” button
    🔹 Make sure the button next to “Place all certificates in the following store” is chosen, and “Personal” is selected in the “Certificate store:” window
    🔹 From the drop-down menu, choose the “Next” button
    🔹 Before selecting the “Finish” button, double-check your information in the “Completing the Certificate Import Wizard” box
    🔹 A notification window will appear if all of the steps have been completed appropriately
    🔹 From the drop-down menu, click on the “Ok” button
    🔹 In the “Certificates” window, your certificate should now display under the “Personal” tab
    🔹 Click the “Close” button to close the Certificates window
    🔹 You must first disable the Internet settings before tapping the “Ok” button
    🔹 Your digital certificate is now recognized by Internet Explorer.

    Try to Update your QuickBooks Desktop

    Updating the QuickBooks Desktop program can assist you in resolving the QuickBooks Error 15226, and you can do so by following the steps below:
    🔹 Close your QuickBooks desktop as well as the company file
    🔹 Choose “Run as administrator” from the right-click menu on the QuickBooks Desktop icon that displays on your computer
    🔹 Select the Update the QuickBooks option from the Help menu, and then touch on the “Company Open” Page
    🔹 You’ll notice a “Mark All” option and then you’ll need to click the Option tab
    🔹 Select the “Save” button from the drop-down menu
    🔹 The “Update Now” option must be selected first, followed by the “Reset Update Box” option
    🔹 From the drop-down option, select “Get the update”
    🔹 After the Update Complete alert appears, you must close the QuickBooks software
    🔹 Restart QuickBooks Desktop if the term “Install Update” shows on your computer screen
    🔹 From the drop-down option, choose “Yes”
    🔹 Finally, you must restart your computer after completing all of the instructions.
    Following these methods will assist you in resolving QuickBooks Error 15226 quickly, and if the error persists and you are unable to resolve it using this method, you may always attempt the next method.

    Turn off Firewall and Network Protection Temporary

    In Windows 11, turning off Windows Defender is not permanent; it is only reversible. Simply turn off your firewall for a few moments before turning it back on when you’re ready. Simply go back to the screen where you turned off the firewall and turn it back on. On Windows 11, here’s how to reactivate the Firewall:
    🔹 Go to the Settings >>> Privacy & security >>> Windows Security >>> Firewall & network protection and then select the “Public Network” option
    🔹 By clicking the toggle, you can enable the Microsoft Defender Firewall
    🔹 When the toggle is turned on, your Windows 11 firewall is turned back on.
    The adobe steps allow you to temporarily disable the firewall and network protection, which may assist you in resolving the QuickBooks Error 15226.

    Add the Intuit URL as a Trusted Website

    Your browser will be less likely to reject site content if Intuit is added to your trusted sites list. Follow these steps to add Intuit’s URL to your trusted sites in your browser.
    🔹 In Safari, go to the address bar and type 
    🔹 Next, hit the “Enter” key 
    🔹 Add Bookmark from the drop-down menu after selecting Bookmarks
    🔹 Under Add this page, choose Top Sites from the drop-down menu
    🔹 The option to select is to add
    🔹 Go to the “Customize and manage Google Chrome” icon and select the Settings option
    🔹 To access the Site Settings option, go to the Privacy and Security tab on the left side of the window
    🔹 It is possible to select cookies and site data
    🔹 In the Allow section, check the box and select the “Add” option
    🔹 To save, type ** into the address bar and select “Add”.
    If you follow these procedures, you should be able to add Intuit URL as a trusted website, which should help you fix QuickBooks Error 15226. If you are still having problems, read the next method.

    Uninstall and Reinstall the QuickBooks Desktop

    Because reinstalling QuickBooks Desktop will prompt you with an inaccurate license code, you’ll want to make sure you use the right installer to accept your license code. It is possible to validate it by logging into your CAMPS account. Let’s have a look at a few different ways to get your QuickBooks Desktop installed assuming you’re using the correct installer. How to do it is as follows:
    🔹 Check the time and date settings on your computer
    🔹 Close any active QuickBooks tasks
    🔹 To debug your setup, use the QuickBooks Install Diagnostic Tool
    🔹 It is recommended that MSXML be revived
    🔹 It is necessary to reset the .ecml file.
    🔹 Create a new account as a Windows administrator.
    🔹 Finally, try installing the QuickBooks Desktop from the beginning.
    To recover the file, we don’t need to use the Migrator Tool. The steps listed below must be followed:

    Please Keep your Product and License Key with you at all Times.

    🔹 Remove the current QuickBooks application before attempting a reinstall.
    🔹 Install QuickBooks Desktop by downloading the installation files or inserting the CD into the computer.
    🔹 Install QuickBooks Desktop in the same manner you’d install any other application.

    In Conclusion!

    QuickBooks Error 15226 can be easily resolved if the proper methods are executed and the above suggested methods are few best approaches. As a result, if you follow the above-mentioned approaches correctly, you should be able to eliminate the error without difficulty. If the error persists, consult an expert via our QuickBooks Customer Helpdesk.


    What to do if QuickBooks Error 15226 Occurs Because of Internet Connectivity Issue?

    You can try checking the Internet Connection and QuickBooks settings. Configure your firewall or antivirus to ensure that QuickBooks files have both incoming and outgoing internet access. When you try to download the update, you may get error code 15226 if you have a firewall that isn’t related with QuickBooks.

    How to Download the QuickBooks Latest Updates in Safe Mode, if the QuickBooks Error 15226 is not Resolved in a Normal Mode?

    If the error remains after completing the steps above, try downloading the updates in safe mode:
    🔸 First, the user should start their computer in safe mode
    🔸 Then, download the updates once again
    🔸 If it succeeds, reboot your computer in regular mode
    🔸 Finally, try downloading the update again.

    Can we Remove the QuickBooks Error 15226 by Editing the Internet Explorer Settings?

    Many times, 15xxx series error codes appear due to an incorrect configuration of Microsoft Internet Explorer. By editing the Internet Explorer Settings, you can correct QuickBooks Error 15226:
    🔸 To begin, open the Internet Explorer (IE)
    🔸 Next, click the gear icon >>> pick Internet Options from the drop-down menu
    🔸 Select Trusted sites from the Security tab
    🔸 Add the following websites by going to the Site >>> Add Websites
    🔸 For US version of QuickBooks:
    🔸 *
    🔸 *
    🔸 For Canadian version of QuickBooks:
    🔸 *
    🔸 *
    🔸 Close the window by clicking the “Close” button
    🔸 Now, select the “Apply” option
    🔸 Finally, press the “Ok” button.

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