QuickBooks Error 15311 is a runtime error, that might occur when the installation of the program or software takes place or when starting or shutdown process of Windows. It is crucial to have an idea of when and where QuickBooks Update Error 15311 takes place so that this can help combat the problem. Symptoms of QuickBooks Error 15311 “Update Error 15311” occurs and crashes the active program window. Your PC often crashes with Error 15311 when running the same program. “ QuickBooks update Error 15311 ” is shown. Windows runs sluggishly and responds slowly to mouse or keyboard input. Your computer timely “freezes” for a couple of seconds at times. These 15311 error messages can occur during program installation, when an Intuit Inc.-related software program (eg. QuickBooks) is running, during Windows startup or shut down, or even during the installation of the Windows operating system. It is important to have an idea of when and where your 15311 error occurs that acts as a critical piece of information in troubleshooting the problem.