ERROR_GUID_SUBSTITUTION_MADE

{GUID Substitution} During the translation of a global identifier (GUID) to a Windows security ID (SID), no administratively-defined GUID prefix was found. A substitute prefix was used, which will not compromise system security. However, this may provide a more restrictive access than intended.

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