# Recommended Tricks to Eliminate QuickBooks Error 12009 The series of QuickBooks 1200 errors includes [QuickBooks error 12009](https://asquarecloudhosting.com/quickbooks-error-12009/). This problem arises when a user attempts to download or update QuickBooks Payroll, or even during routine software upgrades. ![QuickBooks Error 12009](https://hackmd.io/_uploads/rkKRKuj_Zl.png) When the installation procedure is abruptly interrupted by a lack of internet connectivity, the error displays. You are unable to perform any actions on the QB desktop when QuickBooks error number 12009 stops them, which causes their production to stall. Possible Reasons Behind the Occurrence of QuickBooks Error Code 12009 on Your Desktop The QB error code 12009, which prevents you from downloading QB or payroll updates, may be due to one of the following essential factors. * Your internet connection may be weak and unreliable * If a firewall or Internet security settings block the connection between QuickBooks and the Intuit server * Programs may be interrupted or slowed down by antivirus software * The settings of your web browser may not support QuickBooks * An incorrect SSL configuration * It's possible that the program overlooked the internet connection * It is possible that your default browser is not configured properly ## 3 Proven Methods to Eliminate the QuickBooks Error 12009 Here are the best methods that will guide you through the tested procedures to eliminate the error code 12009 from your screen. **Just take a look at the list discussed below**: ### Method 1: Check your Internet Connectivity & settings * First, ensure your internet connection is stable and fast * Additionally, see whether QuickBooks is the only secure website you can visit. For instance, make sure you can access your financial institution or bank account * Finally, ensure that Internet Explorer is set as the default browser, as QuickBooks uses this browser for updates #### Run the TLS 1.2 Utility on your computer after downloading it * To begin, choose Installation Issues from the [QuickBooks Tool Hub](https://hackmd.io/@alastormoody/B1xvncBPJx) menu * To launch the QuickBooks TLS 1.2 tool, pick it out of the lower right corner and click OK * Additionally, click Run after choosing Yes to the EULA Agreement * Finally, when the tool has finished completing, select Exit ### Method 2: Test Internet Explorer settings * Initially, shut down every QuickBooks Desktop window before pressing the Windows and R keys simultaneously to launch the Run window * After entering INETCPL.CPL in the input box, click OK * Next, pick the Globe symbol under the Security tab. Check to make sure this zone has a medium to high level of protection * Choose Never Dial a Connection (DUN) from the Connections tab if you don't utilize the dial-up node. If you use the DUN, click OK after choosing the appropriate ISP * To see if the option for automatically detecting settings is ticked, click on the LAN Settings. But the LAN option's Use a Proxy Server box needs to be left unchecked * Upon selection, you are required to fill in the complete address & port ### Method 3: Examine the Firewall's TCP and Port Configurations * To launch the Run window, simultaneously press the Windows and R keys on the keyboard * Click OK after searching for [Windows Firewall](https://asquarecloudhosting.com/if-windows-firewall-is-blocking-quickbooks-configure-it/) * Click the Advanced Settings menu on the left side of the window that opens * Right-click it after selecting Inbound Rules. Choose New Rule from the option that appears * After selecting Port, select Next. On this screen, ensure that TCP is selected by default * Enter the port numbers for the QuickBooks version you are using in the area labeled Specific local ports. You will need to follow the steps for each version if you have multiple installed * XXXXX, 8019, QuickBooks Desktop 2020 and later * 2019 Desktop: 8019, XXXXX * 8019, 56728, 55378-55382 in QuickBooks Desktop 2018 * 2017 Desktop: 8019, 55373-55377, 56727 * After choosing Allow the Connection, click Next * Your chosen profiles will be requested by the application when you click Next once again. Every one of those ought to be chosen * To establish the QBPorts (year) rule, click Next * You may also create an Outbound Rule by clicking Finish and repeating the steps * Open your file and QuickBooks ## Conclusion In this blog, we have covered all the aspects that can instantly resolve the error 12009 in QBDT. However, if you are unable to perform the task, you can dial +1(855)-510-6487 to connect with our tech experts, who will help you throughout. ### Frequently Asked Questions — QuickBooks Error 12009 What is QuickBooks Error 12009? * QuickBooks Error 12009 occurs when the software cannot establish a connection with the server during updates or while accessing company files online. It usually appears when network connectivity is interrupted, or system settings block QuickBooks from communicating with its servers. Why does QuickBooks Error 12009 happen? * This error often happens due to slow or unstable internet connections, firewall or antivirus restrictions, misconfigured internet settings, or proxy server issues. Sometimes, outdated QuickBooks versions or corrupted installation files can also trigger Error 12009. How do I know if my system has QuickBooks Error 12009? * The error appears as a pop-up message or alert stating “QuickBooks Error 12009” during updates or while performing online tasks. Users may also notice that QuickBooks fails to download updates or cannot connect to the internet for essential functions. Can network issues cause QuickBooks Error 12009? * Yes, unstable networks, weak Wi-Fi signals, or blocked ports can prevent QuickBooks from connecting to its servers, leading to Error 12009. Ensuring a reliable internet connection is essential to avoid this issue. Does firewall or antivirus software trigger QuickBooks Error 12009? * Absolutely. Firewalls or antivirus programs may block QuickBooks from accessing update servers. Adjusting firewall settings or creating exceptions for QuickBooks often resolves the error and allows smooth updates. Is QuickBooks Error 12009 related to proxy or internet settings? * Yes, incorrect proxy settings, blocked SSL connections, or misconfigured internet options in Windows can interfere with QuickBooks’ ability to connect online, causing Error 12009 to appear. How can I fix QuickBooks Error 12009? * To fix this error, check and stabilize your internet connection, configure firewall and antivirus settings to allow QuickBooks access, verify that proxy settings are correct, and ensure QuickBooks is updated to the latest release. Restarting the system and running QuickBooks as an administrator can also help. Will reinstalling QuickBooks resolve Error 12009? * Reinstallation can help if the error persists after standard troubleshooting. A clean reinstall ensures that all installation files are intact, eliminates corrupted files, and restores proper connectivity to QuickBooks servers. Can Error 12009 affect QuickBooks updates and company file access? * Yes, this error directly prevents QuickBooks from downloading updates and may block access to online features or payroll services. Resolving the issue is essential for maintaining accurate, up-to-date software performance. How can I prevent QuickBooks Error 12009 in the future? * Maintain a stable internet connection, keep QuickBooks and Windows updated, configure firewall and antivirus settings correctly, and regularly check proxy and network configurations to ensure uninterrupted communication with QuickBooks servers.