Do you face error 3100 randomly while working on QuickBooks? Do you know why this random error pops up on your screen and crashes Your software? Sometimes when you are just working on QuickBooks that are opening any file, your system automatically crashes the software and throws you back to the home screen of the desktop. And there is a window of notification with QuickBooks error code 3100. Sometimes such errors can be dangerous, but when you are just working on QuickBooks, and it's simply crashing, it isn't very pleasant. 3100 is a runtime error in a QuickBooks application. When you get error 3100, your QuickBooks application automatically crashes and shuts down. About the QuickBooks Error Code 3100 Error 3100 comes to your screen when your system crashes or the QuickBooks application shuts off. This situation can appear frequently or randomly on your Computer. However, there are a few basic reasons why you can face this problem: 1. When installing a QuickBooks application there, due to the server or network issue, there can be an incomplete installation of the software, resulting in the window crashing. 2. Some important QB files went missing for any reason and can also lead to the crushing of the window. 3. When your system has some damage available, that can affect the running time of the application, and it certainly results in the crushing of the software. 4. Availability of any virus or Malware. Source: https://www.axpertadvisors.com/quickbooks-error-3100/