Is QuickBooks error 6000 77 troubling you? A damaged company file is the main reason behind it. It appears with a warning message on the screen “We’re sorry. QuickBooks encountered a problem. Error codes: (-6000, -77).” The blog we linked has discussed some effective solutions that will help you fix the error. Alternatively, you can connect with QB professionals for help by dialing 1.855.738.2784.