The Course of Action to Rectify the QuickBooks Error 12009
- jamesaultman812Hy8n
- 2 minutes ago
- 3 min read
QuickBooks error 12009 is part of the 1200 error series, and typically occurs when you try to download or update the QB payroll service or install regular software updates.

This error typically occurs when a sudden loss of internet connectivity interrupts the update process. While it occurs, you might be unable to perform tasks in QuickBooks Desktop, causing work to halt and reducing productivity.
Understanding the Root Cause Error 12009 in QuickBooks Desktop
Here are the probable causes that are related to the internet security or firewall settings, and many more, as mentioned in the list:
In some cases, the error occurs while downloading the QuickBooks Payroll update
You may also encounter this issue if Internet Explorer is not set as the default browser
Incorrect SSL settings can trigger the problem again
Network or internet connectivity issues can lead to this error
The issue may occur if the server is blocked
An outdated Windows operating system can also cause this problem
Note:- Convert QuickBooks Online to Desktop to gain offline access, stronger control, advanced features, and seamless data management.
Recommended Resolutions to Eliminate the QuickBooks Error 12009 on Your Screen
Now’s let’s proceed to the last segment about resolving the QuickBooks error 12009 on your screen:
Solution 1: Checking settings for an Internet Explorer Browser
Shut down the QBDT app > click Windows + R to run the Run Command
Then, type INETCPL.CPL > hit the OK
Press on the Internet from the Security tab > make sure the security level under Medium to High
Page down to the Connections > go through the following points:
If you are not using the Dial-up node, then Never Dial a Connection is the recommended setting for you to choose your current ISP and hence to press OK
Click on the LAN settings > make sure Automatically detect settings is ticked
In addition, confirm that the Use a proxy server on the LAN option is not selected. If selected, you should provide the address and port
Do not select the option in case the port shown here is 80
If the port shown is a number other than 80, do not select the option
Hit OK > navigate to the Advanced tab
Page down your cursor to the Restore Advanced Setting under the security segment > now, confirm that Use TLS 1.2 is chosen there
Tap OK > restart the device
Now close the QBDT > install its update again
Solution 2: Reset all the QuickBooks updates, and then try to install them again
First, open the QBDT > page down to the Help menu
Choose the Update QuickBooks Desktop option > hit Update Now > press on the Reset Update > tap Get Updates
Now, you will be required some time to complete the update process of the QBDT application
Solution 3: Set up the TCP & Port settings in the security app
Hit the Windows + R > launch the Run Window
In the search type Windows Firewall > hit OK to finish the search
A new window will open; choose the Advanced Settings theme under the menu on the left
Page down to the Inbound rule > right tap on it > pick the New Rule
Hit the Port button > hit Next > make sure TCP is pre-selected on this tab
Go to the area with the Specific Local Ports options and list the port numbers for the QB Desktop version you are using
In registered terms, if one or more are installed, follow the same procedure for all operating versions:
For QBDT 2020 and later versions: write 8019, XXXXX
For QBDT 2019 version: 8019, XXXXX
For QBDT 2018 version: 8019, 56728, 55378-55382
Tap Next >, choose Allow the Connection
Click Next > again, and you will be prompted with an interstitial where you can select the profiles. Simply select them all and proceed
Tap again on Next > create the QBPorts (year) rule
Press the Finish button > follow the same procedure again to create an Outbound Rule as well > after that, you can open the QB and your company files without facing QB error 12009
Also read:- QuickBooks Error 80004005 occurs while opening files or converting data, often due to corruption, permissions, or incomplete installation issues.
Conclusion
This blog covers QuickBooks error 12009, including why it occurs on your system and how to fix it. Moreover, if you need professional expertise, you can call +1(855)-510-6487 to consult with the team, who can help you resolve your queries immediately.




Comments