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External exception C0000006 is generated when importing CRA data via Auto-fill my Return

SOLVEDby IntuitUpdated February 10, 2023

Fatal error exception code C0000006 is a networking or network connectivity error. Specifically, the C0000006 Windows 7 error is an in-page I/O error.


For a local installation

  1. Close ProFile.
  2. Reboot the computer.
  3. Undertake a Proreg effort.

If these efforts are not successful, try an uninstall and reinstall of ProFile.

For a workstation installation

  1. Confirm that ProFile is up-to-date on the server and there are no issues on the server.
  2. If there are issues on the server:

3. If there are no issues on the server, confirm how many workstations are affected. If all workstations in the office are affected:

If only a few workstations are affected:

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