The error message “Excel has run into a problem” can be caused by various issues, such as corrupt files, conflicting add-ins, or problems with Excel itself. Try restarting Excel, checking for software updates, disabling add-ins, or repairing your Office installation to troubleshoot the issue. If the problem persists, providing more details about the error or the steps leading to it can help in offering more specific assistance. https://www.officelivesupport.com/excel-dealing-with-excel-has-run-into-a-problem-error/