ERROR_APP_HANG 0x80070512

Error code 1298 · HRESULT 0x80070512

WINDOWS

A thread involved in this operation appears to be unresponsive.

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_APP_HANG is a Windows error code (system error 1298, returned as HRESULT 0x80070512) reported by Windows. Its official message is: “A thread involved in this operation appears to be unresponsive.”

How to fix ERROR_APP_HANG

  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_APP_WRONG_OSERROR_APP_INIT_FAILUREERROR_APP_DATA_NOT_FOUNDERROR_APP_DATA_EXPIREDERROR_INCOMPATIBLE_SERVICE_PRIVILEGEERROR_INVALID_LABELERROR_CONTENT_BLOCKED

Source: Microsoft WinError.h

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