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Application Verifier break message

The SRW lock is already initialized.

Probable cause

This stop is generated if an SRW lock is being reinitialized.

Information displayed by Application Verifier

Parameter 1 � SRW lock address

Parameter 2 � Thread ID of the thread that initialized the SRW lock

Parameter 3 � Address of the initialization stack trace

Parameter 4 � Not used

Additional Information

Verifier Stop Code 0251.

If an SRW lock is being actively used by other threads, reinitializing the lock can result in unpredictable behavior, including a hang or a crash.

To debug this stop, use the following debugger commands:

kb - to get the current stack trace. The trace shows you where the lock is being reinitialized.

dps parameter 3 � to get the SRW lock initialization stack trace. If the lock was statically initialized, this stack trace will show the acquisition of the lock.