Originally Posted by k0nr4d

My worker was just doing some css for me, and a very simple page was crashing IE8 completely on both my computer and his (no plugins running on either). It turned out that it was being caused by an unclosed h2 tag... I can understand it rendering incorrectly, but completely crashing the browser on two computers? Putting it into quirks mode crashed it was well on both.

Anyone else run into any issues like this? This was not complicated javascript/css/jquery etc. This was just very simple vanilla css.