Try Doing This: Go To Profile> Preferences> Scroll Down Until You Find "Always Allow HTML" And Make Sure Yes Is Selected.
Another:
Redownload Flash. http://get.adobe.com/flashplayer/
If This Doesn't Work Tell Us You Problem Below:
Another:
Redownload Flash. http://get.adobe.com/flashplayer/
If This Doesn't Work Tell Us You Problem Below: