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The Installation error code 1402 is linked with the QuickBooks update process and as soon as this error shows up, the installation immediately gets halted. Pertinently, the message indicating this error states “Error 1402: Could not open key”. To fully get attuned to the various causes that can aid in the fixation of QuickBooks Install Error 1402, readers should follow the blog carefully.

QuickBooks Install Error 1402


Major causes behind QuickBooks Error 1402

The various causes of this QuickBooks installation are:

  • Windows O/S suffered from certain corruptions which also affected the Windows components including MSXML, NET Framework, etc which are important for successful QuickBooks update.
  • Virus infecting the computer
  • Damaged QuickBooks installer files.
  • QuickBooks was lastly installed incompletely.
  • Windows Registry related errors could also pave way for this error.


Read also: versions of quickbooks desktop are supported on windows 10


Essential Walkways for troubleshooting QuickBooks Error 1402

Checkout the following methods in order to rectify the error 1402 when installing QuickBooks Desktop:

Walkway 1: Update the Windows and Install the missing updates

  • Tap on the ‘Windows’ icon from the bottom of the desktop.
  • Head for Update the Windows or Windows update and choose ‘Check for updates.’

QuickBooks Install Error 1402

  • Install the pending updates.

QuickBooks Install Error 1402

  • Restart the computer after all the updates.


Walkway 2: Run QuickBooks Install Diagnostic Tool

To use this tool for fixing QuickBooks Error code 1402, implement the following steps:

QuickBooks Install Error 1402

  • Start the installation procedure (.exe) by double-clicking the downloaded installation file.
  • Now, run the QB Install Diagnostic tool to launch a scan by hitting on the Run Scan
  • After the scan is finished, get the system restarted.
  • Finalize by reinstalling QuickBooks, and then to update the program again.


Walkway 3: Download and Run QuickBooks Connection Diagnostic tool

QuickBooks Install Error 1402

  • First, Download and install the QuickBooks connection diagnostic tool in your system.
  • Run the tool in your software.
  • The Diagnostic tool will scan and start troubleshooting the error.
  • Then, restart the computer.


Walkway 4: Adding QuickBooks to Bitdefender

  • This particular method isn’t mandatory but can be implemented by the ones using Bitdefender.
  • Put the C:\Program files\common files in the exclusion list for 32-bit Windows OS
  • For 64-bit Windows OS, you need to put C:\Program Files\ Intuit (C:\Program Files (x86) in the exclusion list)


Walkway 5: Repair Windows components

The procedure to fix damaged MSXML, or .NET Framework are:

  • For MSXML, open the Run box from the Start menu, and in there, type cpl, and hit the Enter key.
  • Herein, opt for MSXML and Repair the program. Do the same with .NET Framework as well.


Walkway 6: Re-Install QuickBooks software

This method can help in improving the working of the software.


  • Head to the ‘Start’ menu and access the ‘Control panel’.
  • Then, Search for ‘Add or remove programs.’
  • Find out QuickBooks and install it.

QuickBooks Install Error 1402

  • Restart your computer and re-install QuickBooks again.


You may also read: fix QuickBooks error 6000 80



In this discussion, the prime focus was on QuickBooks Error message 1402, its causes, and the different methods that can help QB users in getting rid of this troublesome update error. If you have any unsolved queries, just give us a call on 1-800-615-2347. Our QuickBooks desktop error support team will be happy to assist you.

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