Error -6000, -80: An error occurred when QuickBooks tried to access the company file

On a rare case, QuickBooks can get stuck in errors putting an organization’s critical data in jeopardy and when it arises, it can halt the entire functioning of the application. QuickBooks as an Accounting software is now very popular and now commonly used by Accounts professionals globally. This capable software provides combined benefits in terms of maintaining financial records of small and medium-sized businesses in a refined manner. It is a completely useful software that stores all Company, Vendor, Employee and Customer data, such as templates, logos, letters and images in QBW file. Professionals can open this file anytime anywhere to access all the information that they may have stored in the past. However, there are times when ‘QuickBooks already has a Company file open’ error message is displayed on doing so, thereby preventing the QuickBooks QBW file to open. Like any other software, QuickBooks is no exception as it occasionally throws errors while managing the huge and complex accounting data. The major pitfalls can be avoided easily when you know how to address those QuickBooks issues immediately.

This error indicates there is a corruption problem with the Quickbooks data file. The source data file is damaged either because the Quickbooks data file was open while Quickbooks crashed or the operating system crashed while the file was in use.

Steps to resolve the error:

Try one or more of the following:

  • Close Quickbooks and restart the computer. Then try opening the file in Quickbooks. If the error persists, there is data damage in the file and you will need to send your data file for Quickbooks Data Recovery.
  • Rename the .TLG file to .OLD and try opening the data file. Quickbooks will create a new TLG file if the file has no corruption issues and the file should open in Quickbooks. 
  • Restore a previous backup of your data file.

E-Tech offers the best Quickbooks Data Recovery service available for users of Quickbooks. We have over 20 years of experience repairing Quickbooks data files and error codes. We repair files in the same version of Quickbooks and so you won’t be forced to upgrade to the latest version of Quickbooks. Also, our data recovery service comes with a money-back guarantee — you won’t pay if your data is not recoverable!

To enquire more about our Quickbooks Error Code Repair, please click


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