You can perform the below stated set of steps to fix the QuickBooks error code 12031: 

Method 1:

·        Start off with opening the internet connection setup option

·        You now have to select internet properties

·        Furthermore, pick the advanced tab in the drop down option of internet properties

·        Ensure that the advanced setting is same as you want

·        End the process by clicking on apply tab and ok tab

 

Method 2:

·        Initially, click on help tab

·        Choose the internet connection setup

·        Furthermore, choose the use my computer’s internet connection settings to establish a connection when this application accesses the internet

·        Choose the next tab and click on done tab

·        Try updating the process again

o   QuickBooks 2008 and later. Move to the help tab and update QuickBooks desktop = update now.

o   QuickBooks 2006 and earlier: head to the file option and also select update QuickBooks and also update now tab.

Tackling through the QuickBooks error code 12031 might become a little easier if you are able to perform the steps mentioned in this segment.