According to Intuit, Error Code -6177, 0: “QuickBooks is attempting to open this Company file” indicates that QuickBooks couldn’t use the path to the company file. It usually occurs when using QuickBooks in multiuser mode. For QuickBooks 2009, many causes of this error have been resolved in Releases R5 and R6, including attempting to open a company file located in the root drive or certain network locations.
The most common fixes for this error are to:
- reboot the server and workstations or
- make sure all computers in your QuickBooks installation are running the latest version and release of QuickBooks software
- delete the QuickBooks network data file (.nd) and re-configure the server
To verify the version and release of QuickBooks, press F2 while QuickBooks is running to display the Product Information window. The Product field shows the version and release at the top left of the window. In the example below, Premier Accountant Edition 2009 is the version and R3P is the release. To update your release of QuickBooks, click on the Help->Update QuickBooks… menu selection. Complete these step on each computer in your multiuser setup.
For more information on resolving Error Code -6177, 0, consult this Intuit knowledge base article.