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Learn how to resolve QuickBooks error code 1406 when there is an update firewall or any security program installed on your system.

Coming across errors in QuickBooks can be super annoying, especially while performing a necessary task. One such an error that is often reported by QuickBooks users is QuickBooks error 1406. This error can be abruptly seen when performing any activity on QuickBooks. Such an error can be provoked by a conflicting third-party program running in the background. As a result of this error, the user might not be able to complete his/her task. Moreover, any damage within the windows registry might trigger this technical snag.

QuickBooks Error Code 1406 prompt

There can be a bunch of other factors causing this QuickBooks error code 1406, which we will be elaborating on later in this post. However, if you need our assistance at any point in time, then feel free to reach out to our tech support team at +1(844)405-0907 and they will help you in making the most of your QuickBooks accounting software without experiencing any hiccups.

What instigates QuickBooks Install Error 1406?

Below we have listed the major factors triggering this error in QuickBooks. Let us have a look:

  • One of the major factors triggering this error in QuickBooks is a corrupted windows registry key
  • The user can also end up in a similar issue if multiple tries to move QuickBooks on the PC
  • Another trigger can be if the download location isn’t accessible
  • Moreover, if an unreliable windows installer is present, then such an error can be seen
  • In case the security software or the firewall is causing the issue, then the user might come across this error
  • Or if there is any conflict by third-party software running in the background
  • If some QuickBooks-related files have been improperly remove from your PC mistakenly, then get ready to face this issue.

You may also like: How to Fix QuickBooks Error 6000, -82 or 6000, -106

Symptoms indicating QuickBooks Error 1406

Certain signs and symptoms make identifying error code 1406 easy in QuickBooks.

  • One of the major signs can be if the warning message directly shows up on the screen when you are trying to work on QuickBooks
  • Another trigger can be if the system isn’t responding to the mouse and keyboard inputs or is responding sluggishly
  • The user can also identify the error if the system shuts down abruptly.

Measures to Eliminate QuickBooks Error Code 1406

Here are some of the most effective measures that you can take to eliminate the QuickBooks error 1406 permanently. Let us check them out one by one:

Procedure 1: Giving permissions for the data.dat file

  • At first, the user needs to head to Windows explorer by pressing windows + E tabs
  • Once done with that, move to the organize tab
  • The next step is to head to the folder and search options
  • The user should then move to the view tab
  • After that select the show hidden file and folder option
show hidden file and folder
  • Ensure to checkmark the hide-protected O/S file
  • And click on the ok tab
  • The user should then move to ‘’C:/users/all/users/Microsoft/Office/data.’’
  • And also right-click the opa12.dat file for Office 2007 and data.dat for Office 2003.
  • Pick the Properties option after right-clicking the file.
  • Now, click on the Security tab.
  • Move to the Advanced option.
  • Hit the Permissions tab
  • And also choose Permission entries.
  • Go for the list and hit on the Edit option.
  • Ensure to choose the Full control box
Allow full control in notepad.exe file
  • End the process by clicking on Ok tab

Read also: How to Resolve QuickBooks Error Code 12002

Procedure 2: Fix Windows Registry

  • Under this process, the user needs to click on windows + R tabs respectively and open Run window
  • After that enter regedit
regedit on run box - screenshot
  • And click on the enter tab to open the registry editor window
  • The user should now head to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\iaSTOR registry key.
  • Ensure that the all keys are assign to the Administrators group.
  • And this ends the process

Procedure 3: Disable the antivirus software

  • This process demands to right-click the antivirus icon
  • Followed by selecting the turn off/disable the antivirus protection tab
Disable the antivirus
  • Now, reboot the system and launch the QuickBooks to check if the issue is fixed

Procedure 4: Use QuickBooks Install Diagnostic Tool

  • Here, the user needs to first download the QuickBooks too hub
  • Followed by saving the file where it can be access easily
  • The next step is to install the tool hub from the file downloaded earlier
  • And head to the installation issues tab after the tool hub opens up
fixing with QuickBooks tool hub
  • And click on QuickBooks install diagnostic tool
  • Run the tool and let it diagnose for the issues
  • In case there are any issues, the tool will scan and perform necessary procedure
  • After the tool finishes its task, make sure to reboot system and check if the issue is resolved

See also: How to Fix QuickBooks Error 1904

Procedure 5: Update Windows

  • The user needs to first head to the windows update window and enter update tab
update window to resolve quickbooks error code 1406
  • After that click on the windows update icon
  • And click on check for updates option
  • Now, double click the Windows update icon to launch the Windows update window.
  • After that go for the relevant and necessary updates and download them.
  • Reboot the PC and allow these updates to install on your PC.
  • The startup screen shows up, launch QuickBooks and check if the error is fix

Procedure 6: Restore the system

  • The very first step is to select Programs within the Start menu.
  • And then, head to the System Tools.
  • Now, choose System Restore.
System Restore - quickbooks error 1406
  • Now, hit the next button.
  • Once done with that select the most recent system restore point
  • And click on next tab
  • On the confirmation window click on next again
  • The system restore process will start.
  • This might take some time
  • The system will automatically restart during the process.
  • Once done, re-run QuickBooks Desktop
  • And carry out the accounting tasks to check if the error 1406 got resolved.

Need assistance:

We believe that the above-stated set of steps would surely help you in eliminating the error code 1406 successfully in QuickBooks. However, if the user is unable to eliminate the error even after performing the necessary steps, then contacting our tech team at +1(844)405-0907 is suggest you. We are a team of certified QuickBooks error support, who work round the clock in providing instant support and assistance.

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