OK, can't be simpler than this.
Your webhost should have a Control Panel with an icon for MIME types, just click on that and add .htc.
You can then google MIME types and .htc and read to your heart's content, but this simple fix should take care of it.
Check this out:
http://msdn.microsoft.com/en-us/libr...18(VS.85).aspx
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