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The DRIVER_IRQL_NOT_LESS_OR_EQUAL bug check has a value of 0x000000D1. This indicates that a kernel-mode driver attempted to access pageable memory at a process IRQL that was too high.
The following parameters are displayed on the blue screen.
| Parameter | Description |
|---|---|
| 1 | Memory referenced |
| 2 | IRQL at time of reference |
| 3 | 0: Read
1: Write |
| 4 | Address that referenced memory |
A driver tried to access an address that is pageable (or that is completely invalid) while the IRQL was too high.
This bug check is usually caused by drivers that have used improper addresses.
To begin debugging, use a kernel debugger to get a stack trace.