In Microsoft Internet Explorer, when you try to run a program (script) to parse or insert HTML, the script and Internet Explorer may unexpectedly close (crash).
This behavior may occur if the script contains a certain tag without the same closing tag, or if the script contains the IHTMLTxtRange::pasteHTML
For an update that resolves this problem, see Microsoft Knowledge Base article 834707.
MS04-038: Cumulative Security Update for Internet Explorer
Microsoft has confirmed that this is a problem in Internet Explorer 6.