406 error?

[eluser]mr.crazy[/eluser]
my site have some 406 errors when i browser in ie6,but ff,chrome,sofari is all right! why???

[eluser]skunkbad[/eluser]
If the Web server detects that the data it wants to return is not acceptable to the client, it returns a header containing the 406 error code.

more -> http://www.checkupdown.com/status/E406.html

[eluser]Mizo[/eluser]
Response code "406" makes it look like a web server error, but if you're troubled in Windows Internet Explorer 6, it may very well be a client-side error.