Step-by-Step Fix for QuickBooks Error 12157
                     Practical Solutions to Terminate QuickBooks Error 12157
You need to install regular updates and download maintenance releases to 
run the QuickBooks updates. This situation can lead to a series of error 
codes on your screen, one of which is the QuickBooks error 12157. This 
error code can occur due to many possible reasons, like incorrect internet 
settings or Windows firewall obstruction. If you are getting the QuickBooks 
error code 12157, you can use the solutions provided in this article to 
eliminate it.
If you are unable to understand the steps or resolve the error 
code on your own, you can reach out to us at 1.855.738.2784 to 
get assistance from our team of QB professionals.

Possible Reasons Leading to the QuickBooks Update Error 12157
You might be getting the QuickBooks error message 12157 due to the 
following common causes –
1. Your system’s date and time settings are incorrect, which is causing 
problems in the update process.
2. The internet connection is unstable or weak, which is causing 
connectivity issues in QuickBooks.
3. The Windows firewall is causing obstructions while updating QuickBooks 
and preventing the updates from getting installed.
4. The UAC settings are not correctly set, or the UAC is active in the 
system, which restricts the QB update process.
5. You are not running QuickBooks as an admin while updating the 
application, which is causing access issues.
How to Reliably Tackle the QuickBooks Desktop Error 12157?
If you are encountering the QuickBooks not updating error code 
12157, you can use the solutions provided below –
Solution 1 – Perform a System File Restore 
and Edit the Settings as an Admin
You can address the update issues by restoring the system files and editing 
the system settings.
1. Firstly, ensure that you have logged into the system as an admin and 
choose the Start menu, followed by Accessories, to go to the System 
Tools section.
2. Select the option to restore the system and open a new window to 
choose to restore the system, and look for the restore point option.
3. Hit the Advanced System option and click Yes when you receive a 
prompt asking you to confirm your actions.
4. Once done, restart your system, and try updating the QuickBooks 
application to check if the 12157 error is fixed.
Solution 2 – Adjust the Internet Settings 
and Add QB as a Firewall Exception
Next, you need to adjust the internet settings to terminate the QB error 
code 12157.
1. Launch QuickBooks and head to the Help menu to select the option that 
says ‘Internet Connection Setup.’
2. Next, choose the ‘Use my computer’s internet connection’ option to 
connect when the application accesses the internet, and hit Next to 
open the Advanced Connection Settings.
3. Move to the Advanced tab and choose the Restore Advanced 
Settings option, and click Done once the settings are edited.
Once done, access the firewall settings and add QB and its various ports as 
an exception.
Conclusion
QuickBooks error 12157 can be easily eliminated by using the solutions 
provided in this article above. If the error persists, you can call us 
at 1.855.738.2784 to get assistance from our technical support team.