The company file is considered one of the most important files by QuickBooks users as it stores all the crucial information about their business. At times, due to some issues, either the company file stops opening or gets damaged, and this is the most dreadful situation for a QuickBooks user. One such situation you can face in QuickBooks is because of QuickBooks error 6000 77. This error occurs when attempting to access a company file in QuickBooks, and there are multiple causes for this. In this article, we will discuss some of the most common causes of this error, as well as relevant solutions to resolve the issue immediately.

For further assistance resolving the error 6000 77 in QuickBooks, contact the QuickBooks Desktop technical support team at +1-(855)-955-1942.

6000 77 Error in QB Desktop: Let’s Discuss the Fundamental Causes

The significant causes of the 6000 77 Error Message in QB Desktop are outlined below.

  • This issue can be triggered by registry corruption and interruptions caused by the firewall and other security applications. 
  • Incorrect file extensions associated with a company file and malware attacks on essential system files can cause this issue. 

Simple Solutions for the QuickBooks Desktop Error Code 6000-77

The 6000 77 QuickBooks Desktop Error Code can be quickly resolved by implementing the following solutions:

Resolution 1: Utilise the Intuit Sync Manager to confirm that the company file path is valid

  • Initiate the 'Intuit Sync Manager' by clicking on the 'Options' menu, followed by the 'Show Details' option, after logging into Windows with full administrator privileges.
  • After that, you can easily verify the company file location by right-clicking on the 'Name of the company' option and selecting 'Company Info' from the drop-down menu. 
  • At this point, navigate to the company file folder so that you can immediately replace the existing company file with its original version and then sync the files to eradicate this issue entirely. 

QuickBooks Print & Preview Not Working? Know the Solutions

Resolution 2: Examine the file extension of the company file and, if necessary, modify it to resolve this issue

  • To determine the extension of your company file, you must first locate and open the folder where it is presently stored on your computer and then view the company file extension within that folder.
  • The company file's file extension must be '.QBW'; if you observe a different extension on the company file name, you must right-click on the company file and select the 'Rename' option, after which you can change it to. 'QBW,' which is the correct file extension. 

Resolution 3: Get Rid of the Issue by Completely Reinstalling the QB Desktop Application

  • To resolve issues launching QuickBooks or opening the company file, uninstall the QuickBooks Desktop software by first launching the Run window. (Hit Windows and R)
  • Type "Control Panel" in the Run Window dialogue box. Press the Enter key after selecting the Control Panel option. You will find the Programs and Features option in the Control Panel; select it. 
  • Here you will find a list of your system's many applications. Click on the QuickBooks application and then right-click it to access the Uninstall/Change menu. 
  • Now, follow the on-screen instructions and reinstall QuickBooks Desktop to resolve error 6000 77. 

Hopefully, the aforementioned solutions will assist you in resolving QuickBooks error 6000 77 and regaining access to your company file. If you require expert assistance resolving error 6000 77, get in touch with us at TFN +1-(855)-955-1942.


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