ERROR_CANT_TERMINATE_SELF

Indicates that a thread attempted to terminate itself by default (called NtTerminateThread with **NULL**) and it was the last thread in the current process.

Matched as: the code as given (hex)

Source: System Error Codes (500-999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09