QuickBooks is one of the leading accounting software platforms that provide regular updates to improve its functionality, fix bugs, and provide new features. Sometimes, however, users get issues when updating QuickBooks. One such error is QuickBooks Update Error 15240 . This is frustrating, but don't worry—there are a few steps that you can take to troubleshoot and resolve the problem. Let us consider in this blog the cause for this error and provide possible solutions to enable you back into your work. How to Fix QuickBooks Update Error 15240 Knowing the common causes, we will go through the solution step-by-step. 1. Verify and Fix Your Date and Time Settings QuickBooks needs accurate date and time settings to work properly. When these settings are wrong, it may cause update errors such as 15240. For Windows: ● Right-click on the time displayed in the bottom-right corner of your computer screen. ● ...