Hello @tacticalTALNET
As mentioned in Flashing issues using WSL - #4 by DaveYYY, the USB connection with WSL could be very unstable.
It would be better if you could try it with a physical Ubuntu machine.
Regards!
Eduardo Salazar
Embedded SW Engineer at RidgeRun
Contact us: support@ridgerun.com
Developers wiki: https://developer.ridgerun.com/
Website: www.ridgerun.com