QuickBooks Error 6000 77 – Latest Methods to fix it

It is always a satisfying experience using QuickBooks intuit world’s best business accounting suite, But in rare situations, QB users face error codes while performing an essential task with QuickBooks desktop, and QuickBooks Error 6000 77 is the most dominant one. If you are facing the same error message mentioned below, read the article thoroughly until the end.

What is QuickBooks Error message 6000 77?

“Error: 6000 77: We are sorry But QuickBooks is Unable to open Company File” is the error that belongs to the QuickBooks 6000 series error code and mostly the reason for the error is the incorrect configuration of multi-user mode or the data file is the damaged. You may reason the error by carrying out the troubleshooting steps below explained by Intuit Data Service expert.

Reasons that could be responsible for QuickBooks Error 6000 77

To learn about the troubleshooting steps for QuickBooks message code 6000 77, we need to understand the first reasons for it.

  • Insufficient permission to access the company file mostly bring QuickBooks error code (-6000, -77) on the surface.
  • Somehow QuickBooks Server settings get reset.
  • Corrupted QBDBMgrn.exe and QBCFmonitorservice.exe
  • You’re trying to open the company file from the external storage or remote server.
  • The QuickBooks Company File isn’t.
  • Corruption in the QuickBooks Company File disavowing QuickBooks Connection request result Error -6000, -77 in QuickBooks Desktop.
  • Outdated QuickBooks Desktop.
  • Operating system essential files are damaged.

Effective Solutions to address QuickBooks Error 6000 77

If you’re interested to know which one technique is prominent to resolve message code 6000 77 in QuickBooks, So please follow the steps mentioned below:

#1: One-stop solution [Tool Hub]

Download and Install Tool Hub
  • To Download the latest QuickBooks desktop, Click on QuickBooks Tool Hub.
  • Next, Go to the Download Folder and Double Click on QBToolHub.exe File to start the installation.
  • Make sure to, select all positives option.
  • At last, Click on Finish.
Run Tool Hub Quick Fix my File Program
  • Double Click on QuickBooks Tool Hub Launcher to launch it.

Note: Make sure you have logged in as an Administrator in Windows to get a better result.

  • Next, Select the “Program Problems” option from the left sidebar of Tool Hub.
  • In The Program Problems tab, Press LMB on Run Quick Fix my program.
  • Windows Command prompt will appear during the repair process.
  • At last, Try to reopen your company file to verify whether the Quick Fix my program file repair process worked.
Alternate options in Tool Hub – QB Database Server Manager, QB Program Diagnostic Tool

You can also try these two options from the Tool Hub’s interface. You can remove the 6000 77 error in QuickBooks with the help of this QBDB Server Manager from the network issues tab as it will diagnose and fix all your network-related components. Another best option, in this case, would be running the QuickBooks Program Diagnostic Tool from the program problems tab as it will find and deep cleanse any issues with your QuickBooks.

Run QuickBooks File Doctor Program
  • Open the Company File issues tab as you opened in the above step.
  • But This time, execute the File Doctor utility by pressing LMB on Run File Dr button.
  • The File Doctor program takes a couple of minutes to open fully.
  • Next, select the option to repair “QuickBooks network settings and Repair Company File.”
  • In The End, Verify Did File Doctor Resolve QuickBooks error message 6000 77.

#2: Resolve QuickBooks Error 6000 77 manually

Here in the manual troubleshooting section, we have comprised two techniques to resolve errors.

Recreate the damaged folder
  • Go to your C: Drive and create a new folder.
  • Open the folder where you have saved the company file.
  • Navigate and search for the .qbw file. Example: company_file.qbw.
  • Copy the .qbw file and paste it under the new folder.
  • Next set windows access permissions to share company files.
  • Open QBDT and now open the file from this new location.
Removing any blank spaces from the file name

In QuickBooks, you may experience difficulties if the company file name contains any undefined characters or blank spaces. Consequently, it is recommended to clean up the file name by removing any special characters or spaces that aren’t needed by following the steps below:

  • If you are using QuickBooks, log out from the application.
  • Next go to the QB company file, where it is located, and open it.
  • Check the file name, and if you find it abnormal, rename it and choose a simple and easy-to-remember name.
  • Open QB and company file and check if you are getting the problem again or not.
Change Nd and Tlg file extension
  • Open the folder of where the QuickBooks Company file and other corresponding files are saved.
  • Later, select either tlg or nd file.
  • Press the F2 button to rename the File name.
  • Add .Test as a selected file extension.
  • Once you rename both file names, then reboot the system.
  • At last, Try to open the company to determine was renaming the file name fixed the error or not.
Use UNC Path and Open Company File from no company file window
  • Press and Hold the Keyboard Control key and then double-click on the QuickBooks Desktop icon to launch.
  • Release the control key the moment QuickBooks “No Company File Window” appears.
  • Later, Select “Open or Restore an existing company file“.
  • In QuickBooks File Browser, Select the File with QBW extension and Click on Open.

#3: Create a new user in windows and resolve Error 6000 77 in QuickBooks

  • Click on the following options: Start menu >> Settings >> Accounts.
  • Now go to the Family & other users option and click on ‘Add someone else to this PC’.
  • Next click on the following optional options: I don’t have this person’s sign-in information, Add a user without a Microsoft account.
  • You have to now Enter the new user name, password, and password hint and click on Next.
  • A new user account is created and added to the PC, you can now switch to this user and check if you are able to use QB or not.

#4: Update QuickBooks to the latest release and fix QuickBooks message code 6000 77

  • Close the QuickBooks and go to the following website: https://www.quickbooks.com/update.
  • Next, download the latest update and begin the installation by Double-clicking on the downloaded file.
  • Follow the on-screen instructions and complete the installation, restart QuickBooks and the system, and check if you are able to remove the QuickBooks Error 6000 77 or not.

Use the following steps and fix Error 6000 77 in QuickBooks Enterprise

Windows Firewall is the component of your operating system that is accountable for defending your device against any potential threats posed by an application or website. It is possible that the firewall will prevent you from engaging in some actions if you have not specifically excluded the accounting software from being scanned by it. The QuickBooks Enterprise error code 6000 77 may then be generated as a result of this occurrence.

To take out the problem, try changing the settings of your firewall:
  • Type windows firewall in the windows search box.
  • From the menu that appears, click on Advanced Settings.
  • Press RMB on Inbound Rules and choose New Rule.
  • Choose the program and click on next.
  • Press LMB on the ‘This Program Path’ option and then choose next.
  • Choose the file name that ends with ‘.exe’ and click on next.
  • Select Allow the connection, hit next, check all the profiles that appear on the screen, and again click next.
  • Name the new rule ‘Firewall Exception’ and click on Finish.
  • Follow the same above steps to create an ‘Outbound Rule’.

Reboot your machine and check whether you are able to see the error code or not.

Wrapping up

We hope the solution steps were effective enough to surmount QuickBooks message code 6000 77. However, In case of any difficulties, Like things not happening as said above in the troubleshooting or you have some other concerns too, So please don’t hesitate to reach out to our QuickBooks Pro Advisors by placing a call at +1-888-704-1357. We’d love to bring back your QuickBooks non-functional state to a functional state.


"James, a Technical Content Writer at QBDATASERVICES, specializes in crafting informative articles about QuickBooks, Sage50, MySQL Databases, Active Directory, email recovery, Microsoft365, pattern recognition, and machine learning. With a passion for researching and learning about new technology, he creates engaging technical blogs that aid organizations and Database Administrators in resolving various issues. In his free time, James can be found on social media, streaming web series, reading books, and experimenting with new recipes."

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