QB Recovery - Backing up Data

Quickbooks Error Code -6190 816 or -6190, -85

QuickBooks was unable to open the file [path\filename] on the host computer [host name]. Try opening the file with QuickBooks on the host computer or run the QuickBooks Database Server Manager on the host computer and then try opening the file on your computer. If the problem persists, please contact Intuit Technical Support and provide them with the following error codes (-6190, -816).

What causes this error code? 

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Mismatch between the transaction log file (.tlg) and the company file (.qbw).

Another user is logged into the company file in Single User Mode.

Data Corruption or Data damage in the Quickbooks data file.

How to resolve this error code?

Method 1: Fix TLG mismatch 

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Locate the transaction log file. It has the same name as your company file, but with a .tlg extension.

Right-click the transaction log file and choose Rename.

Enter a new name, for example CompanyName-OLD.TLG.

Method 2:   

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Ensure all users are logged out of the Quickbooks Data file Restart all computers Copy the data file to a local drive and then copy it back to the original location Open the file in Quickbooks

Data Recovery Service If the above methods did not work, your data file may be damaged or corrupted and you will need to purchase a data recovery service to repair the data file.