目前我的Firefox已經更新到6，在連結YAHOO 股市在選各股要看技術分析或是走勢圖都會出現
SecurityError: Error #2060: 執行程序安全性違規：ExternalInterface 呼叫者 http://tw.quote.finance.yahoo.net/quote ... kChart.swf 無法存取 http://tw.stock.yahoo.com/q/bc?s=2330。
at flash.external::ExternalInterface$/_initJS()
at flash.external::ExternalInterface$/addCallback()
at Yahoo_StockChart/OnInit()[C:\Users\SYSTEX\Documents\Flex Builder 3 Yahoo Chart\YahooFlex\Yahoo_Category\Yahoo_StockChart.mxml:17]
at Yahoo_StockChart/___Application1_creationComplete()[C:\Users\SYSTEX\Documents\Flex Builder 3 Yahoo Chart\YahooFlex\Yahoo_Category\Yahoo_StockChart.mxml:4]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\flex_201_borneo\sdk\frameworks\mx\core\UIComponent.as:8389]
at mx.core::UIComponent/set initialized()[E:\dev\flex_201_borneo\sdk\frameworks\mx\core\UIComponent.as:1096]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\flex_201_borneo\sdk\frameworks\mx\managers\LayoutManager.as:696]
at Function/http://adobe.com/AS3/2006/builtin::apply()
at mx.core::UIComponent/callLaterDispatcher2()[E:\dev\flex_201_borneo\sdk\frameworks\mx\core\UIComponent.as:7975]
at mx.core::UIComponent/callLaterDispatcher()[E:\dev\flex_201_borneo\sdk\frameworks\mx\core\UIComponent.as:7918]

這樣的錯誤訊息，請問有人會遇到嗎?? 有辦法解決嗎??

我測試是正常的，請到工具→附加元件管理員→外掛程式，點選最上面的「檢查你是否使用最新版本」來測測看是不是 Flash 有問題。