When calling the log method of the browser object in IE and NOT having your console open crashes IE. It can easily be fixed by putting console.log inside a try/catch. Please, Scirra:)
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Moved to Bugs forum. You should report issues like this as bugs following all the bug report guidelines.
I considered it a IE bug since it's IE specific.
Closing, I changed the way the console object is detected and that should fix it.