The QuickBooks Error 12157 generally occurs when either downloading or installing updates with the software. Well, this particular error can be a result of improper installation, data connectivity issues, upgrade errors, update errors, and many more. Such an error belongs to the 12000 error series, and could also be triggered due to the web connectivity issues with Microsoft Win32 internet. The solutions discussed in this post are some of the most considered solutions to troubleshoot QuickBooks error message code 12157. Error Code 12157 generally arises because of incorrect date/time, internet connection settings, etc. In this post, we’ve discussed the causes and solution steps to fix this issue.