QuickBooks Error 6190 strikes up when a user tries to access the company file which is saved on the server, due to this user unable to open the company file on the host computer. This error can also occur in case of data corruption in the QuickBooks data file, and the error may also take place when the transaction log file (.TLG) file doesn't match with the company file. To solve this error download and install QuickBooks File Doctor, or go through the given link and find the complete solution. You can also directly get in touch with our technical expert dial 1-855-856-0042.