Ok, if you install the binary from here:
http://www.espruino.com/binaries/git/commits/d1cb6a8b48eedc8bfa52f68b32d03f2603d7e62b/
Go to the link, copy the address of the '...1r3.bin' file, paste it into the Web IDE flasher page and click 'advanced flash'.
It should solve your problems.
@Gordon started
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.
Ok, if you install the binary from here:
http://www.espruino.com/binaries/git/commits/d1cb6a8b48eedc8bfa52f68b32d03f2603d7e62b/
Go to the link, copy the address of the '...1r3.bin' file, paste it into the Web IDE flasher page and click 'advanced flash'.
It should solve your problems.