I recently came across a pretty weird error. I had a standard ASP.Net page with some HTML markup, some .net controls, etc. , the page was working just fine in IIS7, but in IIS6 I was getting this error in FireFox: XML Parsing Error: no element found, and in IE the page was just loading blank.
After spending hours pulling my hair out trying to figure out this problem, I noticed that ONLY in…