i just downloaded a copy of ubuntu 19.10 and attempted to use etcher or woeusb to create a usb key and get the below messages. i’m running kubuntu 19.10 64 bit on a am3+ 6300 system, with the appimage for etcher 1.5.59.
Something went wrong. If it is a compressed image, please check that the archive is not corrupPed.
Exit code: 256
Error: Target device is currently busy, unmount all mounted partitions in target device then try again
Target device is busy, please make sure you unmount all filesystems on target device or shutdown the computer before detaching it.