I’m having a similar issue, it tries to create the FLASH, but comes back with an error of “flash failed”
OS: Windows 10
trying to create: Unubtu startup USB stick
Errors I’m getting - Uncaught RangeError: Maximum call stack size exceeded
It has done this to 2 USB sticks… and seems to make them unusable once I get the error… meaning that I can’t format the USB drive, Windows claims that the drive doesn’t exist.