The QuickBooks error code 6129 0 arises if the antivirus application on your system interferes with the working of your QuickBooks application. So, to fix this error, you need to turn off the antivirus in safe mode. For the same, follow the procedure given here:
First, you need to reboot your system in thesafe mode.
Then, as the desktop screen appears, opt for the option to disable the antivirus software.
After that, create a company file while operating your system in normal mode.
Now, reboot your system and launch the QB application and the company file again on the system.
Then, check again if the error strikes your screen or has been resolved.
If you are still unable to solve it you can read detailed blog on How to quickbooks error 6129 0 or talk with professionals at toll-free number +1-(855)-955-1942.
