POS For .NET: Failed to set property DeviceEnabled property of MSR

POS For .NET: I am trying to connect MSR with POS for .net but I cant set property DeviceEnabled = true. It gives me below exception

EDIT: Unable to enable the device. See inner exception for details.

{"Access is denied"}

at Mic开发者_StackOverflow中文版rosoft.PointOfService.ExampleServiceObjects.HidReader.HidThread.StartReading() at Microsoft.PointOfService.ExampleServiceObjects.HidReader.OpenDevice() at Microsoft.PointOfService.ExampleServiceObjects.ExampleMsr.set_DeviceEnabled(Boolean value)

I wrote wrong hardware id. I wrote HID keyboard simulator. Actually it should be HID devices. This error only means that your device is still not detected.