What does BSOD 198 (DRIVER_CAUGHT_MODIFYING_FREED_POOL) mean?

 
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INVALID_HIBERNATED_STATE PNP_DETECTED_FATAL_ERROR

DRIVER_CAUGHT_MODIFYING_FREED_POOL

The DRIVER_CAUGHT_MODIFYING_FREED_POOL bug check has a value of 0x000000C6. This indicates that the driver attempted to access a freed memory pool.

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.

DRIVER_CAUGHT_MODIFYING_FREED_POOL Parameters

Parameter Description

1

Memory referenced

2

0: Read

1: Write

3

0: Kernel mode

1: User mode

4

Reserved

Remarks

The faulty component will be displayed in the current kernel stack. This driver should be either replaced or debugged.


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