QuickBooks is an efficient software that takes good care of the financial needs of small to large scale businesses. Moreover, QuickBooks holds almost 80 percent of the market share in the accounting software arena. However, like any other software, QuickBooks encounters several errors. Amongst these errors, one error is QuickBooks Error 6210. A user can get QuickBooks Error Code 6210 0 when he or she is trying to open a QuickBooks company file. The error message that appears on the screen implies that the user is not successful in opening the QB company file. This error belongs to -6000 series errors. This error can occur when a computer other than the server hosts company file. In this blog, we will discuss and understand what is Error 6210 0, what are its causes and the possible troubleshooting steps to fix this error. Error name – QuickBooks Error 6210 0 Appears on the following OS – Windows 7, 8,10, XP, ME, 2000, VISTA Error Description – QuickBooks faced an issue and now needs to shut down. Sorry for the inconvenience.