Workflow is disrupted and data access problems arise when QuickBooks Crashes When Opening Company File occurs. A corrupted file, out-of-date software, or system issues could be the cause of this error. Restoring functionality requires quick troubleshooting, which may involve updating QuickBooks, fixing the file, or running diagnostics using the QuickBooks Tool Hub. You can reach our QuickBooks Experts team by phone at 1.855.738.2784.