0x0000273A

WSAENOPROTOOPT

An unknown, invalid, or unsupported option or level was specified in a getsockopt or setsockopt call.

win32decimal 10042Networking

Matched as: the code as given (hex)

Log a case with no specific solution

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Source: System Error Codes (9000-11999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09