QuickBooks Error 6144 82 appears when we try to open a company file used by a different application.

Steps to fix QuickBooks Error Code 6144 82:

Solution 1: Repair the registry entry associated with this error
Solution 2: Perform a full scan of malware and viruses on your computer
Solution 3: Use Disk Cleanup to clean up system junk
Solution 4: Keep your computer device drivers up to date
Solution 5: Use Windows System Restore to undo all recent system changes
Solution 6: Uninstall and reinstall the QB program
Solution 7: Run Windows System File Checker (sfs / scannow)
Solution 8: Check and install all Windows updates available on your system.

Read the entire article for step-by-step solutions. Select the method according to the cause of the error.