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How to Fix QuickBooks Error 6155 While Opening a Company File?

• 
• By Jonathan Browns
• Jan 27, 2026
• Accounting
• 7 min read

At times, users get frustrated when they face trouble while opening their company file, and suddenly start receiving QuickBooks Error 6155. Moreover, it also strikes with a warning message stating

“We’re sorry. QuickBooks encountered a problem when opening the company file.”

This error usually appears due to corruption or insufficient permission to the folder containing the file. Unfortunately, this error prevents users from continuing with their ongoing business tasks, which may affect productivity.

Continue reading this guide to completely understand the QuickBooks Error Code 6155, possible causes, and solutions to fix it.

Getting problem while opening the data file due to the occurrence of QuickBooks Error 6155? Call Us : +1-866-408-0444 and communicate with our QB professionals to get the issue resolved with ease.

What are the Root Causes Behind QuickBooks Desktop Error 6155?

QuickBooks Desktop Error 6155 mainly triggers when you fail to access the data file because of a damaged or corrupt company file. Other factors causing this error are mentioned below.

• Missing or damaged during the installation of the QuickBooks Desktop application.
• You are using an unsupported version of the QuickBooks application.
• The QuickBooks Company File Error 6155 may occur due to a missing company file in the QuickBooks installation directory.
• Sometimes, the issue may arise when you try to open a read-only company file in QuickBooks.
• You have stored your company file on a network drive instead of the system’s local storage.

Best Rectification Methods to Troubleshoot Error Code 6155 in QuickBooks

Implement the following troubleshooting methods as instructed below to resolve the Error Code 6155 in QuickBooks.

Method 1: Get the Latest QuickBooks Desktop Updates

The first way to resolve the Error code 6155 in QuickBooks is by verifying that you are using the latest QuickBooks Desktop version. If you are using the old version of QuickBooks, then you may face an issue opening the company file. Thus, it results in QB Error 6155. So, it’s essential to update QuickBooks Desktop to the latest release.

Method 2: Renaming the Configuration Files (.ND & .TLG)

The Network Data (.ND) and transaction log file (.TLG) are used to access the company file in multi-user mode. But sometimes, the damage or corruption in these files may prevent users from opening the file. So, to resolve the issue, you must try changing the names of both these files by applying the following steps:

• Primarily, move to the file path carrying your QuickBooks company file, i.e.,“C:\Users\Public\Documents\Intuit\QuickBooks\Company File [Default Location].”
• After this, start searching for the company file folder having the file with the .ND and .TLG file extensions.
• Right-click on each one of these files .ND and then the .TLG files.
• Choose the Rename option and rename the file by adding .OLD at the end of the file name.
• Once done, tap on the OK button for confirmation.
• Now, try to open your company file that is creating the issue and check if the error exists.

Method 3: Make Sure That you aren’t accessing a read-only file

As discussed above, sometimes the company file error 6150 QuickBooks may arise when you are trying to open the file having read-only access. So, to prevent the issue, make sure you are not opening the read-only file.

• Begin the process by opening the QuickBooks installation directory.
• Afterwards, right-click on the company file that is creating issues.
• Browse to the Properties option by clicking on the drop-down arrow.
• Thereon, make sure to unmark the checkbox next to the Read-Only option.
• You must hit the Apply and then the OK tab.
• Conclude the process by opening the company file and seeing what the status of the error is.

Method 4: Copy Your QuickBooks Company File and Paste It To Your Desktop

Perform the steps instructed below to copy your data file and paste it to your desktop.

• If you can easily access the data file from the desktop, it shows that the damage lies within the file location.
• Another reason could be that the file is available in numerous folders and has reached the system file limitation.
• If you still can’t open the company file even after changing the location, it reflects the damage within the company file.
• Open the QuickBooks company file folder that has your file with the .QBW extension.
• Right-click on the .QBW file and choose the Copy option.
• Now, move to the desktop, right-click on the screen, and tap on Paste.
• Hold down the Ctrl key and then open the QuickBooks application. With this, the No Open Company window opens up.

• Thereon, head to the Open ore restore an existing company.
• Move back to the desktop and look for the company file that is having issues.

Method 5: Use the QuickBooks File Doctor Tool To Repair the Damages

You must require to run the QuickBooks File Doctor Tool via the QuickBooks Tool Hub to configure the damages within the company file.

• First, you need to setup QuickBooks Tool Hub 1.6.0.8 on your device if it’s not previously installed.
• Double-tap on the Tool Hub icon and head to the Company File Issues tab.

• Now, pick the Run QuickBooks File Doctor Tool and allow the tool to open up on your screen.
• Once the QuickBooks File Doctor tool opens, choose the company file that is creating trouble. If you fail to get your data file, then head to the Browse and Search tab.
• Furthermore, choose the Check your file and then hit the Continue tab.
• At last, provide the QuickBooks admin password and tap on the Next option.

Method 6: Run the QuickBooks Application As Administrator

Follow the steps below to run the QuickBooks Desktop application as an administrator.

• Initially, move to the desktop and right-click on the QuickBooks icon.
• After this, pick the Run as Administrator option from the options available.

• Relaunch your computer and then try opening the QuickBooks company file to see if the error still exists.

Read More:- QuickBooks Company File Needs to Be Updated

Method 7: Suppress QuickBooks Desktop While Launching the Company File

If you are still getting issues while accessing the QuickBooks company file, then try to suppress the QuickBooks by implementing the following steps.

• Keep pressing the Ctrl + Shift key simultaneously and double-tap on the QuickBooks icon.
• After this, you must wait until the No Company Open window displays.
• When the window appears, verify that QuickBooks is up-to-date and then try opening the company file.

Method 8: Exit All the QuickBooks Desktop Background Operations

Even after applying the above solutions, you are still getting QuickBooks Error Message 6155, 0, and then trying to close the background processes.

• Firstly, verify that you sign in to your computer as a Windows administrator.
• After this, use the Ctrl + Shift + Esc keys to access the Task Manager on the screen.
• Now, show processes for all the users and hit the Users option.
• You must pick each QuickBooks process, including QBW32.exe, qbupdate.exe, and QBDBMgr.exe. Then, choose the End Task option.
• Thereon, try to launch your QuickBooks company file in multi-user mode.

Method 9: Ensure that the folder permissions are configured properly

At times, users fail to access the company file when they don’t have enough folder access permissions. So, to fix the QuickBooks Error Code 6155, it’s essential to set up folder and Windows access permissions in QuickBooks.

Conclusion

By reading this entire post, we hope that you can easily troubleshoot QuickBooks Error 6155. Thus, it will also help you regain access to your QuickBooks company file without having any trouble. If you are still facing this error, then connect with our BizBooksAdvice professionals for assistance. They will provide you with instant solutions to fix the issue.

Frequently Asked Questions (FAQ’s):-

Question 1: How can you prevent the QuickBooks Error 6155 from occurring in the future?

Ans. To avoid the appearance of QuickBooks Error 6155 from occurring in the future, do as follows:

• Verify that you log in to Windows as an administrator.
• Also, you have enough admin rights to access the QuickBooks company file folder.
• Ensure you are working on the latest QuickBooks Desktop version.

Question 2: What is Error Code 6155 in QuickBooks?

Ans. The QuickBooks Error Code 6155 mainly occurs when you fail to open the company file. It mainly happens due to the missing company files, outdated software, or file corruption.

Question 3: How do I fix a corrupted file in QuickBooks?

Ans. To configure the damaged or corrupt company file in QuickBooks, you must run the Verify & Rebuild Data utility tool. To run this tool, do as follows:

• Move to the File menu, then Utilities, and click the Verify data option.
• Once you spot the error in the company file data, rebuild the data.
• Again, go to the File menu > Utilities > Rebuild data.
• Backup before rebuilding the data and tap on OK.
• Provide a new name in the File Name and choose the Save option.
• You will get a message stating “rebuild was completed,” and hit the OK tab.

Question 4: Does reinstalling QuickBooks help me fix QuickBooks Error Code 6155?

Ans. Yes, by reinstalling the QuickBooks Desktop, you can easily resolve the QuickBooks Error Code 6155 and regain access to your company file.

Question 5: Is it important to generate a backup before rectifying QuickBooks Error 6155?

Ans. Yes, it’s essential that you create a backup of the company file before fixing QuickBooks Error 6155. This is so because it will save your sensitive company data from being compromised.