ERROR_INVALID_SERVICE_LOCK 0x8007042F

Error code 1071 · HRESULT 0x8007042F

WINDOWS

The specified service database lock is invalid.

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_INVALID_SERVICE_LOCK is a Windows error code (system error 1071, returned as HRESULT 0x8007042F) reported by Windows. Its official message is: “The specified service database lock is invalid.”

How to fix ERROR_INVALID_SERVICE_LOCK

  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_INVALID_SERVICE_ACCOUNTERROR_INVALID_SERVICE_CONTROLERROR_SERVICE_DEPENDENCY_FAILERROR_SERVICE_START_HANGERROR_SERVICE_MARKED_FOR_DELETEWSAECONNREFUSEDWSAHOST_NOT_FOUNDERROR_SXS_CANT_GEN_ACTCTX

Source: Microsoft WinError.h

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