ERROR_UNEXP_NET_ERR 0x8007003B

Error code 59 · HRESULT 0x8007003B

WINDOWS

An unexpected network error occurred.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_UNEXP_NET_ERR is a Windows error code (system error 59, returned as HRESULT 0x8007003B) reported by Windows. Its official message is: “An unexpected network error occurred.”

How to fix ERROR_UNEXP_NET_ERR

  1. Test connectivity to the remote host first (ping, then the exact port)
  2. Check firewall, VPN and proxy rules for the involved process
  3. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

ERROR_BAD_NETPATHERROR_BAD_NET_RESPERROR_BAD_REM_ADAPERROR_GEN_FAILUREERROR_SHARING_VIOLATIONERROR_BAD_NET_NAMEERROR_INVALID_PARAMETERERROR_DISK_FULL

Source: Microsoft WinError.h

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