BSOD 120 (PHASE0_EXCEPTION): causes and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: PHASE0_EXCEPTION

Could be also:
Constant	Type	OS
ERROR_CALL_NOT_IMPLEMENTED	Win32 error	Windows
EISNAM	errno	Linux
EPROTONOSUPPORT	errno	Solaris
ENODATA	errno	Windows

PHASE0_EXCEPTION

The PHASE0_EXCEPTION bug check has a value of 0x00000078.

This bug check occurs when an unexpected break is encountered during HAL initialization. This break can occur if you have set the /break parameter in your boot settings but have not enabled kernel debugging.

Important

This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.

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