Issues and errors while installing QuickBooks are more common than you’d think! One such error is the QuickBooks Error 6010 that can arise while installing the app, and can get triggered due to some common reasons, like internet connectivity issues or firewall interruptions. If you are encountering QuickBooks Error Code 6010, you need to resolve it on priority by following the easy solutions mentioned in this blog below.

You can reach out to our team of QB experts at 1-855-856-0042 to get direct assistance with the installation issues in QB in case these solutions seem too technical or time-consuming to perform.

List of Main Reasons and Triggers for QuickBooks Installation Error 6010

QuickBooks Desktop error 6010 100 can get triggered due to the common causes and possible scenarios –

  • Essential files, like the ND and TLG files, might not be running correctly, and the files might be broken, damaged, corrupted, or have an incorrect file extension.
  • There might be some Windows registry issues in the system, and essential registry files might contain invalid or corrupted entries.
  • The Windows firewall or an anti-virus app might be configured to block QuickBooks while running the installation process.
  • There are inadequate file permissions to access the QB installation files, which can trigger the 6010 error code.
  • Crucial services, like database server manager, might not be running correctly, and the services might be inactive, unresponsive, or missing from the PC.

Resolution Methods To Easily Terminate Error Code 6010 in QuickBooks Desktop

QuickBooks error message 6010 100 can be successfully eliminated by using the reliable steps given below –

Step 1 – Activate the Database Service from the Tool Utility to Scan the QB Files

You can resolve QB error code 6010 by activating the database server manager in the following manner –

  • Open the QuickBooks Tool Hub and go to the Network Issues section to select the QuickBooks Database Server Manager, followed by hitting Start Scan to run the scan process.
  • Let the tool scan the folders for issues, and once the tool stops running, hit OK and log in to the company file to check if the 6010 error code is easily eliminated.

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Step 2 – Modify the ND and TLG Extensions from the File Directory of the C Drive

You can try renaming the ND and TLG files from the file directory to mend the file damage and eliminate the installation issues.

  • Open the QuickBooks File Directory from the C Drive and locate the files with the ND and TLG extension to right-click one of them.
  • Select Rename and add OLD at the end of the file name, followed by renaming all the files to rerun the QB installation process and check the status of the 6000 error.


QuickBooks Error Code 6010 can be reliably addressed by using the easy methods given above. In case these solutions seem unsuccessful and the installation issues keep coming back, you can call our QB specialists at 1-855-856-0042 to get the best guidance with the error on priority.

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