ERROR_CANTWRITE 0x800703F5

Error code 1013 · HRESULT 0x800703F5

WINDOWS

The configuration registry key could not be written.

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_CANTWRITE is a Windows error code (system error 1013, returned as HRESULT 0x800703F5) reported by Windows. Its official message is: “The configuration registry key could not be written.”

How to fix ERROR_CANTWRITE

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_CANTREADERROR_REGISTRY_RECOVEREDERROR_CANTOPENERROR_INSTALL_OPEN_PACKAGE_FAILEDERROR_INSTALL_RESOLVE_DEPENDENCY_FAILEDERROR_INSTALL_FAILEDERROR_PACKAGE_REPOSITORY_CORRUPTEDERROR_INSTALL_FIREWALL_SERVICE_NOT_RUNNING

Source: Microsoft WinError.h

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