What does BSOD 0x4B (STREAMS_INTERNAL_ERROR) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: A legacy STREAMS-related compatibility path detected an internal error.

Could be also:
Constant	Type	OS
EOVERFLOW	errno	Linux
EPROGMISMATCH	errno	Mac

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IRQL_GT_ZERO_AT_SYSTEM_SERVICE	FATAL_UNHANDLED_HARD_ERROR

STREAMS_INTERNAL_ERROR

Legacy STREAMS internal error for STREAMS_INTERNAL_ERROR

STREAMS_INTERNAL_ERROR is bug check code 0x0000004B.

STREAMS is historical Unix-style stream I/O vocabulary that appears in old Windows bug-check definitions. This code is useful mostly when the dump points at legacy networking, transport, or compatibility components rather than at modern WDF or NDIS paths.

How to read it in a dump

The stack decides whether any real STREAMS-like compatibility code is involved.
On modern Windows systems, this name is usually more historical than operational.
Do not invent a modern protocol meaning without a driver stack that supports it.

What to check

Inspect loaded legacy transport, emulator, compatibility, or file-system/network filter drivers.
If no matching component appears in the stack, treat the name as a historical bucket and focus on the crashing module.
Compare with XNS_INTERNAL_ERROR and LM_SERVER_INTERNAL_ERROR for old networking-era codes.

References

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