Bug Check 0xBF: MUTEX_ALREADY_OWNED
The MUTEX_ALREADY_OWNED bug check has a value of 0x000000BF. This indicates that a thread attempted to acquire ownership of a mutex it already owned.
Important
This article is for programmers. If you're a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.
MUTEX_ALREADY_OWNED Parameters
Parameter | Description |
---|---|
1 |
The address of the mutex |
2 |
The thread that caused the error |
3 |
0 |
4 |
Reserved |
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