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Posted on February 23, 2018 at 17:55Hi,      I tried to run the example on STM32F072-EVAL found in  STMicroelectronics\STM32Cube_FW_F0_V1.9.0\Projects\STM32072B_EVAL\Applications\USB_Device\CDC_Standalone.When I plug CN4 USB connector to my PC, I se...