MUTEX_ALREADY_OWNED
Code: 0xbf (191)
As HRESULT:- S: 0 (Success)
- C: 0 (Microsoft-defined)
- N: 0 (Not an NTSTATUS value)
- Facility: 0x000 (FACILITY_NULL: Default)
- Code: 0x00bf (191)
- Sev: 0 (STATUS_SEVERITY_SUCCESS)
- C: 0 (Microsoft-defined)
- Facility: 0x000 (Default)
- Code: 0x00bf (191)
Parameters
| Parameter | Description |
|---|---|
| 1 | The address of the mutex |
| 2 | The thread that caused the error |
| 3 | 0 |
| 4 | Reserved |
Description
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.
Article text from the Windows driver documentation (opens in a new tab), by Microsoft, under the CC BY 4.0 (opens in a new tab) licence.
Associated Modules
| Module | Code | Found in | Description |
|---|---|---|---|
| EventCreate.exe | 0xbf | 78.11011 | %1 |
| KernelBase.dll | 0xbf | 78.1 | Cannot run %1 in Win32 mode. |
| dsreg.dll | 0xbf | 1011 | Failed to disable task %2\%3. Error: %1 |
| kernel32.dll | 0xbf | 78.11011 | Cannot run %1 in Win32 mode. |
| nslookup.exe | 0xbf | 78.11011 | packet size error (%1!#x! != %2!#x!) |
| ntdll.dll | 0xbf | 78.11011 | STATUS_ABANDONED_WAIT_63 |
| webservices.dll | 0xbf | 78.11011 | There was an error receiving from the TCP socket. |
| 7 entries | |||