Yep, the problem is the browser. I'm using Chrome @ my MacBook (OS X) and my laptop (Windows 
.
With Firefox 22.0, I can see the Live hashrate. WOW, lovely. Let's try with IE... ok, doesn't work also with IE 10.0.9200.16600.
win7: ie,ff and chrome work.With Firefox 22.0, I can see the Live hashrate. WOW, lovely. Let's try with IE... ok, doesn't work also with IE 10.0.9200.16600.
it could be this bug
http://stackoverflow.com/questions/17333615/highcharts-crashing-crhome
UPDATE: Strangely, after going to 'Settings' and 'Miner', the graphics were gone also with Firefox.
This could be an error because of a missing file, but I can't reproduce it here.Added a link to the old graphs: they are generated each time that page is loaded. After visiting it, you can go back and the graphs will also be updated there. A more elegant solution is for later.