QuickBooks error 12157 is basically associated with the faulty and poor internet connection, so configuring the Internet Explorer settings is the most effective way to resolve the error:
Open QuickBooks.
Go to the Help menu and select Internet Connection Setup.
Mark the Use my computer’s Internet connection settings to establish a connection when this application accesses the Internet.
Then, click Next.
Choose Advanced Connection Settings.
Move to the Advanced tab.
Under the Settings window, select the Use SSL 2.0 and Use SSL 3.0 checkboxes.
Click OK and then Done.
Try to download the update again.
Dial our toll-free number (1800-579-9430) and talk to certified QuickBooks professionals for more assistance to resolve QuickBooks error 12157.
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