Failed uploading: uploading error: exit status 74

Official Hardware Pro Solutions Portenta Machine Control
1

Heyy,

I work with the Arduino Portenta Machine Controll.
I've set up the board and then I tried to upload the "Blink" example. But when I upload the skatch just this error apears:

dfu-util 0.10-dev

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2021 Tormod 
Warning: Invalid DFU suffix signature a valid DFU suffix will be required in a future dfu-util release cannot open DFU device 2341:035b found on devnum 21 (LIBUSB_ERROR_NOT_FOUND)
No DFU capable USB device available
 Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Failed upload: uploading error: exit status 74

Can someone help me?

2

Hello @m2-i ,

Please take a look at this article in Arduino Help Center Errors when uploading a sketch.

I hope you will find this useful.

Best,