Hi!Ah, hah! Yeah, that was it. RCC_CRRCR.HSI48 was not enabled, so the USB was not getting a proper clock. Flipped the bit and then it went just fine!Thanks!!

Hi!I'm actually facing a similar issue, also in USB_DisableGlobalInt and with G431KB.The MCU is operating as normal for other peripherals, e.g. I can run a simple blinky program and it works fine.But when i enable the USB functionality, the MCU ends ...