Learn how to resolve the QuickBooks company file error code 6143:

Are you facing QuickBooks error code 6143 and unable to decide what to do? Well, need not to worry as this article will brief you about the factors causing the this error. Generally, this error might seen due to any malfunction in the company files. It can also be seen due to corrupted system files or incomplete/damaged installation. This can also be due to deleted or corrupted entries in the windows registry. Error code 6143 is seen with an error message and crashes the open windows screen. In order to ensure that the tasks get completed smoothly and effectively, it is very important for us to fix the error.

To know more about QuickBooks error code 6143, its causes and fixes make sure to read this post carefully till the end. You can also discuss your query with our professionals and our experts. Our team will ensure to provide you with immediate technical assistance.

Factors causing the QuickBooks error code 6143

You can end up in QuickBooks error code 6143 due to the following factors:

  • In case there are corrupted entries within the windows system files.
  • Or incomplete installation can also be a valid reason
  • You can end up in such an error when you reconnects with an error appears stating Sorry! Something went wrong! Please try starting over“.
  • When you are given a new credit card or account number, in some cases the bank might reconnect QuickBooks account and bank account together.

You may also read: Fix QuickBooks Error 6073, -99001 (Unable to open this company file)

Latest methods to fix QuickBooks error code 6143

The QuickBooks error code 6143 can be resolved easily, by carrying out a couple of methods and steps. Let us explore the methods one by one:

Method 1: Opening a sample company file locally installed on a workstation

The very first method is to open a sample company file locally installed on a workstation. Opening the sample company file helps in verifying the issue lied with the company file. In case the sample company file doesn’t open and displays the issue, it is a sign of the QuickBooks installation being damaged. The steps to be followed are as follows:

  • Firstly, select open a sample file in the no company open window.
No company open window - Screenshot
  • And then select from the list of sample company files.
  • In case the sample file opens, you need to proceed to open the file locally. In case the sample file returns the same error message, then in that case repair the QuickBooks installation.

Method 2: Configuring antivirus software and firewall ports

Firewall ports-screenshotFirewall ports-screenshot

In case the antivirus and firewall programs block the access to specific QuickBooks programs or files, then you might encounter these issues. You can also try to configure the firewall ports and in order to setup an exception to the antivirus software.

See Also: How to Fix QuickBooks Web Connector Error QBWC1085?

Method 3: Close all QuickBooks processes

Close QBW32.exe process - Screenshot

Another method can be to close all QuickBooks processes. The steps to be followed in this are as follows:

  • Initially, you need to log in as the administrator.
  • After that you need to press ctrl + shift + esc keys which will display the task manager.
  • Now select the users tab to show processes for all users.
  • Close all the QuickBooks related tasks by pressing End task option.

Method 4: Open the company file locally

Opening the company file locally, helps you in testing if there is an issue with the location of the company file. In case the file opens while it is saved on the desktop, which means that the location is probably damaged. If the file doesn’t open up even after changing the location, there is a possibility that the file is damaged. The steps to be followed over here are as follows:

  • At first, open the folder having the company file.
  • And then look for the file that has extension of QB.
  • Followed by right clicking the file.
  • And also, selecting copy.
  • Now you need to move on the desktop.
  • The next step is to select paste and press the control key.
  • Once done with that open your QuickBooks.
  • Moving ahead, you need to move to the no company open window.
No company file open windows - Screenshot
  • And also, select open or restore an existing company.
Open or restore an existing company - Screenshot
  • Lastly close all QuickBooks processes.

Read Also: How to Fix QuickBooks Unrecoverable Error?


By now, you might be well versed with the QuickBooks error code 6143 (Can’t back up company file) and its quick fixes. However, if the error continues to trouble you or if you faced any difficulty then call our experts at 1-800-761-1787, and our QuickBooks error support team of professionals and certified ProAdvisors will ensure to provide you with immediate technical assistance.


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