The steps outlined in this article are general steps to troubleshoot different kinds of QuickBooks Desktop files that will not open or restore. Possible reasons why this is happening include incorrect method to open a particular file type, problem with reports and other windows within the file, using the wrong version of QuickBooks to open the file, folder permissions, compressed or encrypted file, problems with file name and extension, or data damage.Error messages may include -6000 series, HX0X errors, C=XXX messages, Unrecoverable errors, and Error 3371.

While this article covers most of the basic steps to address this issue, you can also search the knowledge base for information specific to the error message as it appears in QuickBooks.



  • Make sure that QuickBooks is updated to the latest release. See Update QuickBooks Desktop to the latest release.
  • Before troubleshooting the company file, make sure the issue is related to the company file rather than the program.
    1. Press and hold the Ctrl key while double clicking the QuickBooks Desktop icon.
      Note: Do not let go of the Ctrl key until you have the No Company Open window in QuickBooks.
    2. If the program fails to open while holding the Ctrl key, see QuickBooks Desktop does not start for detailed instructions.
  • Verify that only one computer is hosting your company file. Turn off hosting in all computers aside from the server.
    1. From the QuickBooks File menu, select Utilities.
    2. Click Stop hosting multi-user access.
      Quick tip: If you see anything other than Stop hosting multi-user access, it mean s hosting is currently turned off on that computer.
  • Make sure that your QuickBooks installation is not corrupted. Open a sample company file and if you get an error, proceed to troubleshooting QuickBooks Desktop installation.