ERROR_INVALID_FILTER_PROC 0x80070593

Error code 1427 · HRESULT 0x80070593

WINDOWS

Invalid hook procedure.

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_FILTER_PROC is a Windows error code (system error 1427, returned as HRESULT 0x80070593) reported by Windows. Its official message is: “Invalid hook procedure.”

How to fix ERROR_INVALID_FILTER_PROC

  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_HOOK_FILTERERROR_HOOK_NEEDS_HMODERROR_DC_NOT_FOUNDERROR_ACCESS_DENIEDERROR_NOT_ENOUGH_MEMORYERROR_INVALID_DATAERROR_WRITE_PROTECTERROR_NOT_READY

Source: Microsoft WinError.h

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