QuickBooks offers various features and services to increase efficiency. But, there are some glitches and issues that hamper it. Today, we are going to discuss about QuickBooks error 6000 77 that evokes when a user attempts to open a company file in QuickBooks. On the occurrence of this error, the user gets an error message on the screen saying, “We're sorry. QuickBooks encountered a problem. Error codes: (-6000, -77).” The error usually occurs when the company files are not saved in the correct folder or open on another computer in single-user mode. If you, too, get this error while opening the file, follow the troubleshooting solutions to fix it.
Can’t find a permanent solution to fix QuickBooks error 6000 77? Don’t Panic. Give a call on our toll-free +1-800-417-5147 and communicate with certified QuickBooks professionals for the best assistance.
Top reasons leading to QuickBooks Desktop error 6000 77 
Below are the major causes behind the company file error:
The company file folder does not have sufficient permissions.
The Windows Firewall settings are not favorable to run QuickBooks.
The multi-user network is not set up correctly.
Solutions to Get Rid of QuickBooks Company File error 6000 77
Solution 1. Let the QB File Doctor fix error 6000 77
Close your company files first and then quit the QuickBooks application.
Download the latest version of QuickBooks Tool Hub from the browser and when prompted, save the setup file to a location you can easily access.
Find the QuickBooksToolHub.exe file and follow the instructions given on the screen.
Don’t mark the agree to the terms and conditions checkbox to successfully install QB Tool Hub.
Once it is finished, open the QuickBooks Tool Hub by double-clicking the icon and go to the Company File Issues tab.
Select Run QuickBooks File Doctor, select your company file from the drop-down and mark the Check your file option.
Enter the user name and password, then click Next to start the tool.
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Solution 2. Resolve error 6000 77 by renaming configuration files
Open the QuickBooks folder that contains all your company files.
From the folder, find the company files having .tlg and .nd extensions.
To change the name, right-click the .nd file and then the .tlg file.
Choose the Rename option and change the name of file by adding .old after the extension.
Hit Enter to save the file with a new name and then open the company file.
Solution 3. Utilize the UNC path at the place of the mapped drive to fix error 6000 77
On your desktop, locate the QuickBooks icon and right-click it.
Tap and hold the Ctrl key on your keyboard and choose the Run as Administrator option. Keep holding the Ctrl key until you see the No Company Open window.
There, choose the Help menu and select Open or Restore Company.
Click Open a company file, select Next and choose Network from the left pane.
Move to the company file location, select your company file and click Next.
Conclusion
This brings us to the end of our blog on QuickBooks error 6000 77. The solutions discussed above are proven to resolve the error. In case the problem reappears, contact the certified QuickBooks expert’s team by calling us on our toll-free number +1-800-417-5147.
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