Learn how you can fix QuickBooks Error Code 1402 and prevent it from occurring again:

QuickBooks makes managing business abundantly easy with its useful features. But sometimes, despite being innovative program, it receives some errors. Among the most frequent errors, you may see QuickBooks Error code 1402. Usually, this error is triggered due to an incomplete or inappropriate installation of the software. When the error appears, it displays an error message stating, “Couldn’t Open Key.”

If you have received this error, read this article and learn its causes and solutions. Through this post, we are going to have an in-depth discussion of QuickBooks error code 1402 and various facts associated with it. However, if you are not good in technical aspects and want to resolve this issue with the help of experts. Just make a call to our QuickBooks error support executives at 1-800-761-1787, and our experts will respond immediately to all your queries.

You may also read: Steps to Change, manage or update your Intuit Account with CAMPs

What is QuickBooks error code 1402?

Before you dig in deep and explore other aspects of QuickBooks error code 1402, it is important to understand the basics of the error. The error code 1402 is often seen when you are working, installing, or opening QuickBooks desktop or your company file. It also arises when you operate the corrupted QuickBooks payroll accounting software in Windows or Apple Mac OS X operating system.

You may also see this error on your screen when QB software needs some component to run, but it is not available due to damaged Windows files. This error code comes up with an error message stating, “Couldn’t open key“. There can be a majority of factors causing this issue, which we will be discussing later in this post.

What causes QuickBooks error code 1402?

One or more of the following causes may trigger QuickBooks Error code 1402:

  • QuickBooks Installation on your computer is corrupted.
  • The CD used for installation was damaged.
  • Inappropriate or partial software installation.
  • Microsoft Windows is not updated.

QuickBooks Error Code 1402 – Steps for Prevention

Once you have fixed QuickBooks Error code 1402, you can also take some steps to ensure that this installation error doesn’t occur again.

  • You should keep creating backups of your data on a regular basis.
  • Let software installations take their time and do not interrupt the process.
  • Frequently delete junk files off your computer.
  • Keep installing new updates available for QuickBooks desktop frequently.

Read Also: How to correct the QuickBooks Error Code 80029c4a?

Fixation of Error Code 1402 when installing QuickBooks Desktop

QuickBooks Install Error 1402 is an installation error that can be fixed by performing the following troubleshooting steps:

Solution 1: Install and run QuickBooks Install Diagnostic Tool with QuickBooks tool hub

You can use QuickBooks tool hub program to fix many of the QB issues, including the QuickBooks Error code 1402.

  • First of all, you need to close your QuickBooks.
  • It is recommended to download the most recent version of QuickBooks tool hub. You need to save the file somewhere it can be accessed easily. In case you have already installed tool hub earlier, then you can look for the version you have. And select the home tab. The version will be displayed on the bottom right.
  • After that, you are required to open the file you downloaded.
  • Carry out the on-screen steps to install and agree to the terms and conditions.
  • The next step involves double-clicking the icon of the QuickBooks Tool Hub to open the tool hub program.
QuickBooks Tool Hub - Logo
  • Open the tool hub and select installation issues.
Choose QuickBooks Install Diagnostic tool - Screenshot
  • And choose QuickBooks install diagnostic tool and let it fix the issue.


QuickBooks Install Diagnostic Tool -Screenshot
  • Restart your computer after the process is complete.

Solution 2: Update MS Windows and install available updates

The installation error may be fixed by updating QuickBooks and installing the missing updates:

  • Click on the Start button on the keyboard on the Windows icon at the bottom left-hand corner of your screen.
  • Search and find Check for Updates.
  • Hit a click on Check for Updates and find available updates.
Update the Windows 10 (Check for updates) - Screenshot
  • Install all pending updates.
Install Windows Updates - Screenshot
  • Restart the computer for changes to make different.

Read Also: Steps to Fix QuickBooks Payroll Error PS036

Solution 3: Reinstall QuickBooks desktop

QuickBooks install error 1402 may occur due to a wide range of options and may impact your productivity.

  • Press the Start button and search Control Panel.
  • Open Control Panel and click on the Programs and Features option, and then go to Add or Remove Programs.
Programs and Features option - Screenshot
  • Find QuickBooks, select it and hit Uninstall option.
Uninstall and Reinstall QuickBooks on your server computer - Screenshot

Solution 4: Uninstalling and Reinstalling Adobe Flash Player

Uninstall adobe flash player - Screenshot

In case the error appeared while installing the adobe flash player, make sure to carry out the steps below:

  • First of all, download install diagnostic tool and then run it.
  • After that chit a click on the Start menu.
  • Type in control panel in the search bar.
  • Followed by clicking and opening control panel.
  • Navigate to the uninstall a program option.
  • Look for the Adobe flash player ActiveX in the list of programs.
  • Choose the uninstall option.
  • Follow the onscreen instructions and let the uninstall process complete.
  • Last step is to download the adobe flash player and then reinstall it.

See Also: How to eliminate QuickBooks error code 1303?

Solution 5: Add QuickBooks to Bitdefender exclusion list

Add QuickBooks to Bitdefender exclusion list - Screenshot

It should be noted that this method is not mandatory for all, it can be implemented by the ones who are using Bitdefender. In case you are using Bitdefender, then you can’t resolve the issue by simply disabling it. It is required for you to add the QuickBooks to the exclusion list of the Bitdefender.

  • For 32-bit Windows OS, you need to put C:\Program Files\ Common files in the exclusion list.
  • Whereas for 64-bit Windows OS, you are required to put C:\Program Files\ Intuit (C:\Program files (x86)\Intuit) in the exclusion list.

Solution 6: Using Selective startup mode

Install QuickBooks in Selective Startup - Screenshot

You can make use of the selective startup for getting rid of QuickBooks error code 1402. This error might also appear due to third party apps blocking the installation. For this, you can simply opt for the selective startup mode and try fixing the error. The steps to be followed in this case are:

Step 1: Preparing the data

Step 2: Starting the system in selective startup mode

  • In this case, press Windows + R keys to open the run command.
  • Type in msconfig and also choose OK button.
Type msconfig in Run - Image
  • Choose selective startup in the general tab. And also opt or load system services.
  • Move to the services tab and also choose hide all Microsoft services.
  • Choose disable all tab.

Step 3: Followed by unchecking the hide all Microsoft services checkbox.

Hide all Microsoft services - Screenshot Image
  • Moving ahead, ensure that the Windows installer checkbox is selected from the list of services. If not, then choose the checkbox.
  • Choose ok tab.
  • Lastly select restart on the system configuration window.

Step 4: Uninstall or install QuickBooks desktop.

Step 5: You need to switch back to Normal startup mode.

  • Press Windows + R keys to open the run command.
  • Type msconfig command and choose the Ok button.
  • In the general tab, you should choose normal startup.
Select normal startup - Screenshot
  • After that, choose the ok button.
  • Lastly, select restart on the system configuration window.

You may also see: How to Resolve QuickBooks Error Code 15104?

Solution 7: make sure that Microsoft .NET Framework is turned on

Another viable opinion to get this QuickBooks error fixed is to fix Microsoft .NET framework component through the below-given procedure:

Repairing Microsoft .Net Framework - Screenshot
  • To start off, open the Control Panel and then make a move to Programs and Features.
  • Afterward, advance to the option to turn Windows features On/off.
  • Make sure to checkmark the option for turning on .NET Framework 3.5. If you have .NET Framework 4.5 installed, then make sure to turn it.
  • Finally, click on Ok.


That’s all you need to identify, fix and prevent QuickBooks Error Code 1402. We can now expect that after reading the article thoroughly, you’ll be able to avoid the error easily, but if in case you have any questions in regard to the above-mentioned solutions or if you have stuck somewhere, you can contact our 24×7 QuickBooks install support team at 1-800-761-1787.

Our support team is there round the clock to cater the best possible support services to users across the globe. Here, you will get some of the best and the most relevant answers to all your queries. Thus, do not hesitate in reaching out to us anytime 24X7X365!


People also searched for:

Simple Steps to Fix QuickBooks Desktop Runtime Error

Fix data damage on your QuickBooks Desktop company file

How to resolve QuickBooks error code 1321?

Voiced by Amazon Polly
Call Now +1-800-761-1787