QuickBooks error 6190-816 comes up in association with the following description “QuickBooks was unable to open the file [path] on the host computer” This error indicates that the company file cannot be accessed in any way. Let us make an effort, with the help of this post, to learn more about the QuickBooks error code 6190-816 and the possible solutions to fix it.
Possible solutions to fix QuickBooks error code 6190-816
Solution 1: Bringing QuickBooks up to date
Solution 2: Modify the File's Name
Solution 3: Single Mode User Check
Solution 4: Update Windows