QuickBooks Error 6123 often occurs when creating or opening a company file and can disrupt your workflow. To tackle it effectively, start by ensuring QuickBooks is updated to the latest version. Next, try restarting both QuickBooks and your computer to refresh the system. If the error persists, check for any issues with your network setup or firewall settings, as they can sometimes interfere with QuickBooks operations. Additionally, you can attempt to open the company file from a different location or device. you can also contact our experts by dialing us at +1(855)-738-0359 and we will provide you with instant technical assistance.