When QuickBooks Has Stopped Working, the application may suddenly freeze, close, crash, or become unresponsive while you are working. Start by restarting your computer and running QuickBooks as an administrator. You can also use QuickBooks Tool Hub to repair program-related issues, update QuickBooks, or troubleshoot your company file. If the problem continues, call +1 (888) 844-0749 for assistance resolving QuickBooks errors.