QuickBooks has stopped working" is a common error encountered by users of the QuickBooks accounting software. This issue can arise due to various reasons, including corrupted installation files, outdated software, insufficient system resources, or conflicts with other programs. When QuickBooks crashes or fails to open, it can disrupt business operations and financial management. Troubleshooting steps often involve running the QuickBooks Diagnostic Tool, updating the software, repairing installation files, or checking for system compatibility to resolve the problem. For persistent issues, consult QuickBooks support or a certified professional for assistance at 1.855.409.2300.