How to Fix QuickBooks Error Code 6000?

QuickBooks error code 6000 is often followed by a group of three to four digit numbers. This error code is usually associated with an incomplete or erroneous installation of the error.  This type of error could be seen when the user tries to open a company file. If you are also facing any such errors, then make sure to read this blog post carefully. In this blog, we will be discussing the causes and various solutions to the QuickBooks error 6000.


However, in order to save time and efforts, you can get in touch with our QuickBooks enterprise technical support team and let our experts and certified professionals resolve the issue for you. Just ring up at +1-800-969-7370, and our team will help you to fix the issue.


What causes QuickBooks error code 6000?

  • In case the firewall is blocking the connection.
  • Or the TLG file is corrupted.
  • QuickBooks installation file is corrupted.
  • The network connection on the system has been incorrectly configured.
  • Or if numerous users have logged into the same company file.

Error message you might see when error code -6000 occurs on your QuickBooks:

Error -6000 occurred, when opening a company file. We are sorry for the inconvenience.


Steps to Resolve QuickBooks error code 6000

Below are the quick steps to fix QuickBooks error -6000 and other:

Method 1: Restoring a backup

The user can restore a backup of the company file to make sure that it works well. The following steps can be carried out:

  • First of all, open the company file.
  • And then, click on the file option.
  • The next step is to select the utilities option.
  • After that, click on the stop hosting multi user if available.
  • Also, edit the company file name to include less than 210 characters. The user needs to try and incorporate a name that only displays the important details only.

Method 2: Renaming the .ND and .TLG files


  • The very first step is to open the company file location.
  • And then, look for the company file that the user is trying to fix.
  • The next step is to look for the files with same name and having .ND and .TLG as the extensions.
  • Now, the user needs to right click it and change the extensions.
  • The user needs to ensure that the file extensions have the word .OLD at the end of the name.
  • And the last step is to reopen QuickBooks and log in to ensure the error is resolved.


Resolving QuickBooks error 6000 is not a big deal, as following simple methods can help to get rid of the issue without any hassle. However, for expert guidance or in case any of the queries remained unanswered, the user can simply get in touch with our QuickBooks support team via our toll-free number .I.E. +1-800-969-7370.  Our team of experts and certified QuickBooks professionals will help you to get rid of the issue in no time.

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