. QuickBooks Error 1406: Latest Methods to Various Solution

Are you facing continuous issues with QuickBooks error 1406? If yes, you’re not alone in this! Well, this error may erupt when any third-party software or antivirus program is interfering with your QuickBooks processes. Apart from this, many more factors can give rise to such issues about which we will discuss further in this post. So, let’s continue reading, learn the reasons, and find the most suitable solutions to eliminate this annoying error. 

In case you need any professional help in solving QuickBooks Error 1406, you can contact us directly at @+1-855-603-0490 and interact with our QuickBooks experts. Our team will assist you with effective solutions for this problem.

A Quick Introduction About QuickBooks Error 1406!

QuickBooks is vulnerable to many technical glitches and errors, the QuickBooks error 1406 is one of such errors that users find while upgrading their QuickBooks software. Also, QuickBooks users receive a message supporting this error reading, “Error 1406. Could not write value to key
XCLSID\{D27CDB6E-AE6D-11CF-96B8-444553540000)\nproc Server32. Verify that you have sufficient access to that key, or contact your support personnel.”

Notable Signs to Catch the QuickBooks Install Error 1406

Take a look at the following signs and sense the presence of the QuickBooks install error 1406 in your system: 

  1. The continuous flashing of the QuickBooks error message 1406 on your screen is one of the most obvious signs of the issue. 
  2. Repeated Desktop hanging and no response from your Windows to your mouse and keyboard commands is another notable sign. 
  3. Unexpected shutdown of your computer system. 
  4. Continuous crashing of your computer system every time when you try to upgrade the QuickBooks software. 
  5. Slow, sluggish, and poor performance of your Windows Operating system. 

What Reasons are Responsible for QuickBooks Error Code 1406?

As noted above, the interference of third-party software or antivirus programs can contribute to QuickBooks error code 1406. However, the following factors can also be responsible for this. Let’s check them out: 

  • Insufficient space for downloads can trigger QuickBooks install issues, like error code 1406. 
  • You may encounter the error code 1406 in QuickBooks if any QuickBooks company files or software-related files are deleted from the system. 
  • If your system has corrupted or damaged Windows registry, such issues can lead to the QuickBooks 1406 error. 
  • Another potential cause of this QuickBooks install issue can be the corrupted Windows Installer on your computer system. 
  • If multiple users are trying to download the QuickBooks software on a working system of the network and at the same time, it may result in the QuickBooks installation issues. 
  • QuickBook installation errors can also arrive if you haven’t logged in your system as an admin.
  • Inaccessible downloaded location is also a prominent cause of the QuickBooks error 1406. 

Quick Troubleshooting Guide To Fix QuickBooks Error Code 1406

Now that we know what might have triggered the QuickBooks Error 1406 go through the troubleshooting guide below and fix the error accordingly. We have cited all the latest methods to help you better. 

Troubleshooting Method 1 – Temporarily Disable your Security Software or Antivirus

QuickBooks installation errors can possibly arrive if your Windows security software or antivirus is interfering. So, it’s better to follow the given instructions to temporarily disable such programs: 

  1. From the right-bottom corner of the TaskBar, right-click the Antivirus icon. 
  2. In the next step, select the Turn off/Disable the antivirus protection option. 
  3. Once done, now restart your computer system and check the error status by opening the software. If the error still persists, move to the next method. 

Troubleshooting Method 2 – Run QuickBooks Install Diagnostic Tool

QuickBooks Tool Hub has keys to troubleshoot the QuickBooks technical errors. One of the keys is the QuickBooks Install Diagnostic Tool. Perform the given method to run the tool and troubleshoot QuickBooks install error 1406. 

  1. Firstly, download the QuickBooks Tool Hub and install it on your computer, if you don’t have it. For this, move to the official Intuit Website. 
  2. Once you have installed the Tool Hub, open the same, and navigate to the Program Problems tab. 
  3. From here, select to start running the QuickBooks Install Diagnostic Tool. The tool will take a few minutes to scan and rectify the issue. 
  4. Wait till the time the tool completes the process, and once it overs, make sure to restart your computer system. 
  5. Finally, open the QuickBooks application again, and check whether you’re getting the same QuickBooks 1406 error message or not. If yes, apply the next troubleshooting method. 

Troubleshooting Method 3 – Fix the Windows Registry Issues

By repairing the damaged or corrupted Windows registry, you can get rid of the annoying QuickBooks installation errors, like error code 1406. Just continue following the given instructions: 

  • Begin this procedure by first opening the Run Window. For this, simply press the Windows + R keys. 
  • Once you get the Run Window, now type Regedit in the given dialogue box. Hit the Enter key after getting the exact search results. 
  • Now, you will get the Registry Editor window from where you must navigate to the “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\iaSTOR registry key” path. 
  • Here, make sure to confirm all the keys assigned to your Windows administrators group.

Troubleshooting Method 4 – Use Clean Install Tool and System Configuration

The next method you should try to eliminate the QuickBooks error 1406 is using the Clean Install Tool and configure the system settings. We have illustrated the method below, follow the instructions carefully: 

  1. Firstly, open the Run window by pressing the Windows+R keys.
  2. In the Run Window dialogue box, enter “MSConfig” and correspondingly hit the Enter key.
  3. By this, you will get the configuration window; now, you must click the General tab and select Startup, Load System Services, and Load Startup Items
  4. After this, hit the “Hide All Microsoft Services” and select the “Disable All” alternative.
  5. Again, click “Hide All Microsoft Services” and verify the list of services.
  6. Click the OK button, and before that, you must ensure that the “Window Installer” is selected. 
  7. Done up to this? Now, you must click the “Restart” tab.
  8. Finally, you need to reinstall the QuickBooks Desktop Software using the QuickBooks Clean Install tool, which you can do manually from the control panel.

Troubleshooting Method 5 – Allo Needful Permission to the Data.dat File

If the above solution fails to figure out the QuickBooks error code 1406, try the method given below by allowing required permission access to the “Data.dat” file. 

  • Firstly, open the “Folder Option.” For that type, use the file explorer option or use the Windows+E command. 
  • Under the folder option, choose the “View” tab and select “Hidden folder and Icons.” 
  • Click the “Show hidden folder and icons” option, and mark the check box for “Hide Operating System protected files.”
  • Now follow the path “C:/users/all/users/Microsoft/Office/data.”
  • Select “data.dat” for MS Office 2003 and “opa12.dat” for MS Office 2007. Further, right-click them and select the properties option. 
  • Choose the “Security” tab; under it, click on the “Advance” option. 
  • Opt for the permission tab and the “Permission entries” list. 
  • Click the “Edit” button, checkmark the Full Control option, and finally, click the OK button. 
The Final Words..!

Hopefully, the solutions mentioned above might have helped you resolve the annoying install QuickBooks Error 1406. If you still have the issue or need professional assistance to fix the issue, you can interact with us directly through the Live Chat Support facility available. Just type a message or mail us; our QuickBooks expert’s team will respond quickly.


A1: Yes, your Windows Firewall Defender program can effectively interfere with the QuickBooks processes, resulting in the QuickBooks 1406 error. 

A2:  The incorrect configuration of the Firewall settings can block all the QuickBooks services, leading to network connectivity issues. Thus, you may face QuickBooks installation issues. 

A3: Your web browser’s cache and cookies may be responsible for the QuickBooks application loading issues. It’s because the uncleared cache and cookies can block the QuickBooks services. 

A4:  Yes, by navigating to the Installation Issues tab of the QuickBooks Tool Hub, you can select and run the QuickBooks Install Diagnostic Tool. It helps in fixing the installation issues like QuickBooks error 1406. 

A5: You can either directly call us anytime or reach out to us via the Live Chat Support facility and ask for professional help to fix the error. 

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Adam Zampa

I am Joe Watson, founder of QuickBooksupportnet.com, engaged in helping QuickBooks users with the relevant services in the hours of their need. After gaining immense knowledge and skills in accounting, bookkeeping, and relevant technologies, I felt the need for this knowledge to be shared, which is why I started this service.