ERROR_EVT_FILTER_UNEXPECTEDTOKEN 0x80073AAD

Error code 15021 · HRESULT 0x80073AAD

WINDOWS

The token encountered was unexpected.

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_EVT_FILTER_UNEXPECTEDTOKEN is a Windows error code (system error 15021, returned as HRESULT 0x80073AAD) reported by Windows. Its official message is: “The token encountered was unexpected.”

How to fix ERROR_EVT_FILTER_UNEXPECTEDTOKEN

  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_EVT_FILTER_UNSUPPORTEDOPERROR_EVT_FILTER_PARSEERRERROR_EVT_FILTER_INVTYPEERROR_EVT_FILTER_INVTESTERROR_EVT_INVALID_OPERATION_OVER_ENABLED_DIRECT_CHANNELERROR_EVT_INVALID_CHANNEL_PROPERTY_VALUEERROR_EVT_INVALID_PUBLISHER_PROPERTY_VALUE

Source: Microsoft WinError.h

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