Repair Windows Error 0x00000039    |    SYSTEM_EXIT_OWNED_MUTEX    |    STOP 0x00000039


STOP Errors are usually the result of a hardware malfunction or device driver issue. It is also possible to receive a Blue Screen Error due to bad system memory, malfunctioning power supply, components overheating, or hardware overclocked beyond its specification. In older versions of the Windows OS you may also receive Blue Screen Errors due to incompatible DLL files.

Since the only option when receiving a Blue Screen Error is to reboot, any unsaved data is lost. With that in mind, it is very important to eliminate these errors to protect your data.

Basic Troubleshooting

Troubleshooting STOP Errors can be a difficult and time consuming process. Try these basic steps to fix your own Blue Scree Error. We hope it will help you avoid an expensive service call and provide a rewarding experience of solving the problem on your own.

Advanced Troubleshooting

The following details are for advanced users. These are provided for your convenience and may help those with advanced knowledge discover the root cause of their STOP Error.


The SYSTEM_EXIT_OWNED_MUTEX stop error code has a value of 0x00000039. This indicates that the worker routine returned without releasing the mutex object that it owned.


The following parameters are displayed on the blue screen.

1The address of the worker routine that caused the error.
2The parameter passed to the worker routine.
3The address of the work item.


The worker routine returned while it still owned a mutex object. The current worker thread will proceed to run other unrelated work items, and the mutex will never be released.

Resolving the Problem

A debugger is required to analyze this problem. To find the driver that caused the error, use the ln (List Nearest Symbols) debugger command:

kd> ln address

Where address is the worker routine given in Parameter 1.

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Fix Error Code 0x00000039    |    Fix Windows Registry Errors    |    STOP 0x00000039