Learn how you can rectify QuickBooks Install Error 1402 and prevent it from occurring again:

QuickBooks makes managing business abundantly easy with its useful features. But sometimes, despite being an innovative program, it receives some errors. Among the most frequent errors, you may see Installation Error 1402 in QuickBooks. Typically, this error is triggered due to an incomplete or inappropriate installation of the software. When the error appears, it displays an error message that reads, “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 answer all your queries instantly.

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QuickBooks Error 1402 – What Does it Means?

Before you dig in deep and explore other aspects of QuickBooks error code 1402, it is important to understand the basics of the error. This error is often seen when you are working, installing, or opening QuickBooks desktop or your company file. It also arises when you operates 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 the QuickBooks application 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 as, “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 Installation Error Code 1402?

One or more of the following causes may trigger QB 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 Error code 1402 in QuickBooks desktop, 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 Fix QuickBooks User is Already Logged into the Company file Error?

Fixation of Error Code 1402 when installing QuickBooks Desktop

As you all now knew that QuickBooks Install Error 1402 is an installation error, now its time to get rid of from this error. It 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 this installation error.

  • First of all, you need to close your QuickBooks.
  • It is recommended to download the most recent version of QuickBooks tool hub, Also save the file somewhere it can be accessed easily.
  • In case you’ve already installed the 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 downloaded file.
  • Now 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 Tools Hub to open the tool hub.
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.

OR you can manually download and launch the install diagnostic tool via these simple steps.

QuickBooks Install Diagnostic Tool -Screenshot
  • Towards to the end, reboot your computer once the process gets complete.

Solution 2: Update MS Windows and install available updates

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

  • Initially, hit a click on the Start button on the keyboard on the Windows icon at the bottom left-hand corner of your screen.
  • After that search and find Windows Update option.
  • Next, 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

The QB Installation error 1402 may occur due to a wide range of options and may impact your productivity.

  • You need to press the Start button and search Control Panel.
  • After that open Control Panel and hit a click on Programs and Features opt, and then go to Add or Remove Programs.
Programs and Features option - Screenshot
  • Now 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, hit a click on the Start menu and type in control panel in the search bar.
  • Followed by clicking and opening Control panel.
  • The next step is to navigate to the Uninstall a program option.
  • And then look for the Adobe flash player ActiveX in the list of programs.
  • Once done, 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 Troubleshoot QuickBooks Something’s Not Quite Right Error?

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 users, it can be implemented by the ones who are using Bitdefender program. In case you’re using Bitdefender, then you can not 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.
  • And also, type in msconfig and also choose Ok button.
Type msconfig in Run - Image
  • In the next step, choose Selective startup in the General tab. And also choose Load system services.
Use Selective Startup to install QuickBooks Desktop - Image
  • Once done with that, you need to move to the Services tab and also choose Hide all Microsoft services.
  • And then, you need to 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.
  • After that 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

  • Initially, press Windows + R keys to open the Run command.
  • And also type Msconfig command and choose Ok button.
  • In the General tab, you should choose Normal startup.
Select normal startup - Screenshot
  • And then, choose 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 effective methods to resolve the ongoing error is to enable Microsoft .NET framework component through the below-given procedure:

.NET framework 4.5 and .NET framework 3.5 SP1 - Screenshot Image
  • Begin the process by opening the Control Panel and then move to Programs and Features.
  • After that choose Uninstall a Program.
  • Followed by, choosing the Turn Windows features On/off option.
  • Here you need to find .NET Framework on the list.
  • Now make sure to checkmark on .NET Framework 4.5 or later versions to enable it.
  • Finally, hit a click on OK to save the changes and restart your computer.


That’s all you need to identify, fix and prevent QuickBooks Error Code 1402. We can now expect that after reading the above article thoroughly, you will be able to shun off the error easily. However, if in case you have any questions in regard to the above-mentioned solutions, or if you are 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!

Frequently Asked Questions (FAQs)

What is Install Error 1402 in QuickBooks?

This is an install error that is caused while installing or updating the QuickBooks desktop.

What causes installation errors of QuickBooks?

Some major causes behind to these install errors are:
1. QuickBooks Installation on the system is corrupted.
2. The CD used for installation got damaged due to data corruption or scratches.
3. Windows O/S is not updated to the latest release.

How do I fix all install errors in Quickbooks?

These errors can be resolved by performing the following methods:
1: To fix these errors, make use of QuickBooks Install Diagnostic Tool.
2: Also, updating the Windows Operating System can rectify this error.
3: Perform a Clean Installation of QuickBooks


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