If you are getting QuickBooks error message code 6190 – 816 while opening the company file, then it indicates that the QuickBooks company file is damaged or corrupted. The QuickBooks error code 6190-816 pops up on the screen with a message, “QuickBooks is unable to open this company file.” The QuickBooks error code 6190 and 816 can also trigger when the company file is in use on another workstation in single-user mode. Read the blog till the end to know more about QuickBooks error message 6190-816. If you are looking for an immediate solution to fix QuickBooks error 6190, then call us on our toll-free number ( +1 800-417-5147 )  and get assistance from the certified QuickBooks expert’s team. What leads to QuickBooks error 6190? There are numerous reasons behind the error. Take a look at some of them given below: There is some damage or corruption in the QuickBooks company files. QuickBooks desktop version is no longer supported. Now, move on to the troubleshooting steps given below. Po