Let’s Resolve the QuickBooks Error 6000 77 Reliably

Some QuickBooks errors are the pretty common among users. One such error series is the 6000 series. The error 6000 77 in QuickBooks occurs while trying to access the company file. The error prevents the company file from being open and backed up. There can be a lot of reasons why the QuickBooks error 6000 77 can arise. If you are encountering the error code and want to know how to resolve it, you can follow the steps given in this article. We are going to provide you with the reasons for the error and the various effective solutions to fix it.

You can reach out to us at 1-855-856-0042 for technical assistance if you are unable to resolve the error code on your own.

What Triggers the QuickBooks Error Code 6000?

The QuickBooks error code 6000 77 can occur due to the following factors –

  • The QuickBooks company file you are trying to the access is located on an external drive.
  • There is damage to the network data and transaction log files or they might be corrupted.
  • You are trying to open the company file by referencing a mapped drive.
  • If you are not using QuickBooks as a Windows admin then the QuickBooks error 6000 77 can occur.

Recommended to read: QuickBooks Error 6069

Eliminating the QuickBooks Error Message 6000 77 with Easy Steps

You can perform the steps provided below to get rid of the QuickBooks Desktop error 6000 77.

Step 1. Use the QuickBooks Tool Utility to Quick Fix your Program

The QuickBooks tool utility can help fix the QuickBooks error code 6000. Firstly, run the QuickBooks Tool Hub and navigate to the Company File Issues tab. Select the Quick Fix my Program tool and run a quick repair. Once done, see if you are able to access the company file without any errors.

Step 2. Mend the Network Data and Transaction File Damage by Renaming them

The damaged .ND and .TLF files can lead to the error 6000 77 in QuickBooks Desktop. To rename the network data and transaction log files, follow these steps –

  1. Open the QuickBooks file folder and search for the files with .NDand .TLG
  2. Right-click on these files and select Renameto edit their names.
  3. Add .OLDat the end of the file names and hit Enter to give effect to the changes.
  4. Now, open QuickBooks and see if the QuickBooks error message 6000 77 is terminated.

Step 3. Create a New Folder for the Damaged QB Company File

To fix the damaged company file and get rid of the QuickBooks error code 6000 77, perform these steps –

  1. Create a new folder on the your Cdrive and open your QuickBooks company file folder.
  2. Locate the file with the .QBWextension and right-click on it to select Copy.
  3. Paste the copied file into the newly created folder and try to access the company file for the new folder.


You can easily resolve the QuickBooks error 6000 77 by following the steps given in this article. If the error is still popping up, you can take professional help from our team of experts by dialing 1-855-856-0042.

You may also read: QuickBooks Error 6190


Hi, I am Allan Ramsay, a professional Data recovery Engineer, working with Quickbooks Pro Advisors as a consultant from the past five years in the USA. I am a specialized and trained Cloud consultant who helps a small and medium-sized entrepreneur to track & manage their company file and a database online at any time from anywhere. Contact me at +1-855-856-0042 for QuickBooks Cloud Hosting support and troubleshooting.

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