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Code 38 - CM_PROB_DRIVER_FAILED_PRIOR_UNLOAD

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This Device Manager error message indicates that the driver could not be loaded because a previous instance is still loaded.

Error Code

38

Display Message

"Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory. (Code 38)"

A previous driver instance can still be loaded due to an incorrect reference count or a race between load and unload operations. Additionally, this message can appear if a driver is referenced by multiple INF AddService directives in one or more INF files.

Select Restart Computer, which will restart the computer.