ERROR_NO_CALLBACK_ACTIVE 0x80070266

Error code 614 · HRESULT 0x80070266

WINDOWS

A callback return system service cannot be executed when no callback is active.

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_NO_CALLBACK_ACTIVE is a Windows error code (system error 614, returned as HRESULT 0x80070266) reported by Windows. Its official message is: “A callback return system service cannot be executed when no callback is active.”

How to fix ERROR_NO_CALLBACK_ACTIVE

  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_REGISTRY_QUOTA_LIMITERROR_PWD_TOO_SHORTERROR_IP_ADDRESS_CONFLICT20xC004C0030xC004C0080xC004F2130x803F70010xC1900101

Source: Microsoft WinError.h

Last updated: