-6000, -301: An error occurred when QuickBooks tried to access the company file.
-6000, -816: QuickBooks was unable to open the company file because the file is in use.
-6010, -100: Your QuickBooks installation may have been modified.
-6032, -158: An error occurred when QuickBooks tried to access the company file.
-6085, 0 when restoring a backup after entering an incorrect password.
6129, -101: An error occurred when QuickBooks tried to access the company file.