QuickBooks Error 6189 and 816 is some of the error which user faces when they try to access the company file in the Enterprise edition of QB. As stated by QuickBooks this generally happens due to an issue with the multiuser networks. Some other causes may include corrupt download files or some windows registry files being damaged. By using the QuickBooks tool hub users can easily fix this error. To know more about QuickBooks error 6189 816 and how to solve it visit us.