To fix QuickBooks crashing issues, update the software to the latest version, ensure your system meets software requirements, disable conflicting third-party applications, and repair QuickBooks installation using the Repair Tool. If the problem persists, contact QuickBooks support for further assistance or troubleshooting steps.Run the QuickBooks File Doctor tool or speak with QuickBooks support just dial us at +1(855)-738-0359.if the problem doesn't go away if you do any of those things.