Error: Unable to claim interface.

it works for a small amount and then it spits this error at me. ive changed the cables and ports as well and still nothing. what do i do?

if it helps i'm running the latest version of linux mint

Okay a lot of missing info to help here, are you installing the OS?

What device is being used to flash it?
What OS is being used to flash it?
And so on.

Is the OS you are using explicitly supported?

Have you ensured udev rules are in place?

Have you rebooted the flashing device and made sure to only load the web installer and no other software that maybe interfering with your usb ports?