You are reading a single comment by @Gordon and its replies.
Click here to read the full conversation.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
I'm not sure what OS you have, but I've heard of a few cases where Mac OS just gets confused and the whole Mac just needs a reboot, then it works fine.
Also worth opening the Chrome developer console and seeing if it reports a more useful error