How to Eliminate QuickBooks Error 6000 77: A Data File Issue

Several problems can occur when you attempt to open company files in QuickBooks. One of the notable issues that you might face is QuickBooks error 6000 77, which generally occurs when you try to access data files in multi-user mode. Here’s the message that is likely to show up on the screen:

Here’s what might happen on your system once this error code occurs:

• The QB Desktop window might stop responding to your commands.
• You may not be able to access any third-party apps installed on the system.
• The computer might start functioning very slowly & it might even shut down abruptly.

Fortunately, there are several effective ways to troubleshoot this problem. Let’s explore the article to understand the major factors that give way to this issue & discover reliable solutions.

If you want immediate help to fix QuickBooks error 6000 77, dial +1-(855)-955-1942 to contact a QB professional.

Why Do You Face the Company File Error Code 6000 77 in QB?

Here are the main reasons behind QuickBooks error 6000 77:

• You might be running an outdated QB Desktop version on the server or workstations.
• Damage in the company file located on the server can trigger this issue.
• An improper multi-user hosting configuration on different systems attached to the network can cause difficulties when opening data files.
• You might not have updated Windows, and thus, you might face compatibility issues when using QuickBooks.
• Faulty configuration files can cause internal issues when you run QB in multi-user mode.
• Corruption in the company file folder might hinder QB from reading or accessing data on the server.
• Windows Firewall might stop you from accessing company data by restricting QB program files from functioning on the system.
• The antivirus app can mistakenly detect QB files as a security issue, and thus, it might prevent them from running, eventually triggering errors.
• The company file might be located on an external device or cloud instead of the server system, and thus, you might experience issues when accessing it.
• Any damage in the system files can trigger difficulties when operating QuickBooks Desktop for various tasks.

Now that you understand the main causes of this problem, let’s go to the following section to learn how you can resolve it easily.

10 Tested Methods to Troubleshoot QuickBooks Error 6000 77

Here are some really effective methods that you can implement to fix QuickBooks error 6000 77. Ensure that you utilize these resolutions in the exact sequence detailed below.

1. Install QB Desktop Updates

One of the main factors behind QB Desktop company file errors is that you might not have installed software updates. QB updates bring new features, tools, & bug fixes, thereby helping you to run the software smoothly. The lack of QB updates might trigger issues when you open data files.

Therefore, you should install QuickBooks updates on the server & workstations. Once done, you can effortlessly access company files using multi-user mode. If, however, you still face QuickBooks error 6000 77, try the following solution.

2. Verify the Multi-User Hosting Configuration On Various Systems

An improper multi-user hosting setup on various systems can trigger problems, such as the error message codes 6000 77 & 6144 82, when accessing the company file. Here’s how to check the hosting configuration: 

• Firstly, open QB Desktop on the workstation and jump to the File menu.
• Choose Utilities and mark the Stop Hosting Multi-User Access option.

• Repeat the previous steps on each workstation and go to the server computer.
• Jump to File and tap Utilities. After that, you have to click the Host Multi-User Access option.
• Finally, you can start opening company files saved on the server from the workstation.

Do you continue to get QuickBooks error 6000 77? If that’s the case, consider updating Windows as described below.

3. Download & Install Windows Updates

When you use an outdated Windows version on the server or workstations, you can experience compatibility issues with QB Desktop. This can lead to errors when you try to access company files. To overcome this problem, you should install Windows updates on each computer connected to the network. Once done, you can easily access data files located on the server.

If, however, you still notice QuickBooks error 6000 77, try renaming the configuration files as explained below. 

Also Read: How to Fix QuickBooks Company File Error 3645 

4. Rename QuickBooks Desktop Configuration Files

The configuration files (network data file & transaction log file) are a crucial part of your QB Desktop files. When these files are damaged, you won’t have access to your company data using multi-user mode. Renaming these files will force QB to recreate them. Here’s how you can do so:

• Firstly, open the company file folder and locate two files with the following file extensions: .ND and .TLG
• At this point, you should right-click the icon of each configuration file (network data file and transaction log file) and choose Rename.

• You need to add a fresh word to the name of your configuration file as per the following example: compfile.qbw.nd.oldregdnum and compfile.qbw.tlg.oldregdnum
• Tap Enter to save the new names, and after that, you can open your QB company files using multi-user mode.

Do you still run into QuickBooks error 6000 77? If so, consider operating QB File Doctor as mentioned below.

5. Run QuickBooks File Doctor

Corruption in the company data is one of the primary reasons behind QB error 6000 77. To scan and repair your company data, you can easily run QuickBooks File Doctor. This utility can also fix various file permissions issues and network-related problems.

If you find that the 6000 77 error code in QB Desktop still persists, consider reconfiguring Windows Firewall settings as illustrated below.

6. Reconfigure Windows Firewall Settings

Windows Firewall might perceive QB program files as a security issue, and thus, it might prevent them from running. Consequently, you won’t be able to open data files using multi-user mode. To resolve this problem, you should create exclusions for QB files in Windows Firewall. Once you do so, you can easily access company data located on the server.

If, however, you encounter QuickBooks error 6000 77 even now, consider turning off the antivirus app as described below.

7. Switch Off the Antivirus App

The antivirus software on the computer might incorrectly detect QB program files as a threat to system security. Consequently, it can block QB files from functioning on the system. This can lead to errors when you try to launch company files in multi-user mode. To overcome this problem, you should turn off the antivirus app on the computer.

Do you get the company file error 6000 77 in QB even after switching off the antivirus app? If so, consider implementing the following troubleshooting hack.

8. Move the Company File to a New Folder

Any damage in the QB company file folder might lead to various errors, such as 6000 77, and 6154. You should move the company file to a new folder, and after that, you can access company data easily & effectively. Here’s how to do so:

• Create a new folder on your C: drive & navigate to the folder where the company file is stored.
• Find the .qbw file (e.g., company_file.qbw) and, right-click the .qbw file, and choose Copy.
• Open the newly created folder and paste the file there.
• Finally, you can open QuickBooks and access the company file from the new folder.

If, however, you still run into QuickBooks error 6000 77, consider fixing your system files as discussed below.

9. Operate the System File Checker Tool

Damage in various system files might stop QB from properly functioning on the computer, and thus, you might run into errors when accessing company files. Fortunately, you can effectively scan & repair system files by using the System File Checker tool. This advanced utility will effortlessly help you fix system files, and thus, you can seamlessly access QB company data.

Do you still encounter QuickBooks error 6000 77? If so, consider using the UNC path to access company files, as explained below.

10. Utilize the UNC Path to Open Company Files

A UNC (Universal Naming Convention) path is a standardized way to specify the location of files, folders, or resources on a network. It works across all computers on the network (unlike mapped drives, which can have different drive letters). Therefore, you should use the UNC path to access company files. Here’s how to do it:

• Right-click the QuickBooks icon on your desktop, hold down the Ctrl key, and choose Run as Administrator.
• Keep holding the Ctrl key until the No Company Open window appears.
• Note: Holding the Ctrl key prevents QuickBooks Desktop from automatically opening a company file.

• Go to the File menu, select Open or Restore Company, then choose Open a company file and click Next.
• In the left panel, select Network and navigate to the folder where your company file is stored.
• Note: If the folder is not visible, you may need to adjust folder permissions.

Finally, you can access the company file located on the server system connected to the network.

Use These Tips to Prevent Company File Errors in QuickBooks

Here are some really effective measures that you can follow to prevent company file issues in QB Desktop:

• Regular Backups: Frequently back up your company file to prevent data loss in case of corruption or system failure.
• Use a Stable Network: Ensure a reliable and fast network connection to avoid data damage caused by disconnections.
• Avoid Large File Size: Keep your company file optimized by using the QuickBooks Condense Data tool.
• Check File Permissions – Set proper folder permissions to ensure QuickBooks has the necessary access to read and write data.
• Store the File Locally: Avoid running QuickBooks over external drives or cloud storage, as it can lead to file corruption.
• Limit Multi-User Conflicts: Ensure all users properly log out on each computer connected to the network.

Wrapping Up

In this extensive guide, we showed you how you can seamlessly resolve QuickBooks error 6000 77 using different methods. Hopefully, you can now easily access company files using multi-user mode on the network. If, however, you continue to face various challenges or have a query, you can contact a QB professional for immediate guidance.

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Robert Downe SEO Editor

Robert is an accounting professional, well versed in many accounting software. He has established himself as a QuickBooks expert over the past ten years. Robert finds great joy in assisting businesses and accountants all over the country so that they can manage their finances seamlessly. He does so individually and through his blogs.

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