The best ever method to fix QuickBooks error 6129
                     Smart Hacks to Deal with QuickBooks 
Error 6129
Got stuck with QuickBooks error 6129 and now have no clue what 
to do about it? Before gathering knowledge on how to 
troubleshoot it, you must know why the error comes up. So, 
whenever you encounter this technical glitch, the following 
warning message comes along, “Error 6129 0: QuickBooks has 
encountered a problem and needs to close. We are sorry for the 
inconvenience”. One of the reasons for incurring the glitch 
includes the damage to your data file. To make it easy for you, we 
have divided this entire article into two major parts, causes and 
solutions. To know more about this matter, go through this 
detailed blog till the end and acquire all the necessary info.
Is it challenging for you to get through the QuickBooks data file 
error 6129? Do not stress yourself! Get immediate assistance 
from our team of experienced professionals by dialing Toll-Free 
1.855.738.2784.

Primary Reasons That Triggers the 
Company File Error Message 6129 in 
QuickBooks
If you have a doubt about why such an issue comes up on your QB screen, 
then consider the following reasons. Although there are other causes too, 
we have focused on the usual ones. Take a look-
1. The damage or corruption to your company file can give rise to the 
problem.
2. It is possible that the transaction log and network data file have been 
severely damaged. You can also incur the glitch if both files have been 
corrupted.
3. The version of the QuickBooks Desktop you are currently using might 
have been outdated, because of which you keep on receiving the issue.
4. One of the other probable reasons might be the issue with the location 
of the company file.
What are the Different Ways Through 
Which I Can Eliminate the QuickBooks 
Desktop Error Code 6129?
If you are looking for troubleshooting methods to overcome the 
mentioned issue, then your search ends here. We have provided 
some of the best methods to permanently remove the glitch. 
Check them out and perform every step precisely-
SOLUTION 1: Download and Install 
QuickBooks Tool Hub to Utilize the 
QuickBooks File Doctor Tool
1. In the beginning, you must quit the QuickBooks Desktop if it is 
in use.
2. Now, from Intuit’s official website, download the most current 
version of the QuickBooks Tool Hub.
3. To install the application, save the ‘QuickBooksToolHub.exe’ file 
to an appropriate location.
4. Now, open and run the downloaded file.
5. Go ahead by following the steps mentioned on the screen.
6. After that, enable the relevant checkbox to accept the terms 
and conditions.
7. Once you are done installing the software, launch it.
8. Next, from the ‘Company File Issues’ menu, you must click on 
the ‘Run QuickBooks File Doctor’ button.
9.  In the following step, you are required to choose your data file 
from the        drop-down menu available.
11.  Hit the ‘Check your file’ option, then ‘Continue.’
12.  After entering the QB admin password, press ‘Next’.
SOLUTION 2: Fix the Error By Modifying the 
Network Data and Transaction Log File
1. Initiate the process by first moving to the location of your company file.
2. Once you open the data file folder, a list of files will be visible to you.
3. From that list, look for files that have the .ND and .TLG extensions. 
Make sure those files will be named similar to your company file name.
4. Now, right-click on any one file and opt for the ‘Rename’ option.
5. To change the name, include ‘.OLD’ at the very end of the file name.
6. Now, save the change by pressing the ‘Enter’ key on your keyboard.
7. After it is done, perform the same process for the other file.
8. When you edit both file names, quit the folder, and try to access your 
company file again.
SOLUTION 3: Download and Install the 
Newest Available Update of Your Version of 
QuickBooks
1. Before moving ahead towards the update procedure, make sure 
you are not using the QuickBooks Desktop.
2. Now, click on the Windows ‘Start’ button and type in 
‘QuickBooks Desktop’ in the search field.
3. After you see the QB software, right-click on it and tap on the 
‘Run as Administrator’ option.
4. In the further step, you are required to move to the ‘No 
Company Open’ screen.
5. To open it, hit the ‘Ctrl’ key and click twice on the QB icon 
together.
6. Tap on the ‘Help’ tab and opt for the ‘Update QuickBooks 
Desktop’ option.
7. Select the ‘Mark All’ option and then ‘Save’ after you visit the 
‘Options’ section.
8.  Next, under the ‘Update Now’ tab, hit the ‘Reset Update’ 
checkbox.
9.  As you click on the ‘Get Updates’ option, the download process 
of the QB update begins.
10. Once it is done, relaunch your QuickBooks Desktop and click on 
the ‘Yes’      button to install the downloaded updates.
11.  At last, restart the device.
SOLUTION 4: Get a Duplicate Copy of the 
Company File on the Windows Desktop
1. You must navigate to the location where you have saved the 
company file.
2. In the folder, check which file has the .QBW extension.
3. To copy the file, right-click on the file.
4. Now, right-click on a blank area and then opt for the ‘Paste’ 
option on your desktop.
5. In the following step, move to the No Company Open window.
6. Choose the ‘Open or restore an existing company’ option.
7. At the end, access the data file that you saved on the desktop.
We would like to end this article on QuickBooks error 6129 here. After 
reading the entire content, we hope you must have been able to rectify 
the issue appropriately. Moreover, our team has attempted its best to 
deliver you the most crucial info about the glitch. In addition, the fixing 
methods explained here have been completely tried and tested so that 
you do not have to face any hindrance while performing these 
methods. However, sometimes it might happen that the problem might 
not get resolved even after using these debugging processes due to 
some unexpected fault. In such a circumstance, we highly suggest you 
get in touch with one of our certified experts and have a conversation 
for instant guidance. Give us a call at Toll-Free 1.855.738.2784.