After validating my document using the W3C Validator within Dreamweaver, I was unable to hide specific validation results. I would click "hide" and the error would still appear when I revalidate my code.
I then installed a validation extension (http://www.adobe.com/cfusion/exchange/index.cfm?event=extensionDetail& extid=2188524), which didn't work either. I removed this extension and now the option to "hide" validation results through the W3C validator is gone altogether.
Anyone else having this problem or have possible solutions?
Some things to try: