Arduino for STM32

hello all, I have a problem that happens every once in a while with my f401 chip, while uploading code after I press reset to upload the code, computer will say malfunction in chip not recognized , so I have to unplug the chip from the usb and plug it back in after a few attempts it will work again ...

hi guys new here, maybe you can shed some light, I'm using arduino version 1.8.12 and in boards manager stm32 core version is 1.9.0 no when I go to the tools in arduino i dont see a option for st link in upload method method, why ? I did try an older version of stm32 core as like 1.5.0 but then ...