HTML1412: Malformed comment. Comments should start with

If you getting the following error in IE

HTML1412: Malformed comment. Comments should start with "<!-- "

from https://msdn.microsoft.com/en-us/library/mt744327

Here is the cause

<input id="MtpsDevice" type="hidden" value="Default" />
<![CDATA[ Third party scripts and code linked to or referenced from this website are licensed to you by the parties that own such code, not by Microsoft.  See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]>

Here's the solution

<input id="MtpsDevice" type="hidden" value="Default" />
<!--[CDATA[ Third party scripts and code linked to or referenced from this website are licensed to you by the parties that own such code, not by Microsoft.  See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]-->