Flash Builder4.0运行应用程序报错

1、错误描述

SecurityError: Error #2148: SWF 文件 file:///D:/Adobe Flash Builder 4 Installer/HVBox/bin-debug/VHBox.swf 不能访问本地资源 file:///D:/Adobe Flash Builder 4 Installer/HVBox/bin-debug/framework_4.0.0.14159.swf。只有仅限于文件系统的 SWF 文件和可信的本地 SWF 文件可以访问本地资源。
	at flash.net::URLStream/load()
	at flash.net::URLLoader/load()
	at mx.core::CrossDomainRSLItem/load()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\CrossDomainRSLItem.as:240]
	at mx.core::RSLListLoader/loadNext()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\RSLListLoader.as:184]
	at mx.core::RSLListLoader/load()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\RSLListLoader.as:156]
	at mx.preloaders::Preloader/initialize()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\preloaders\Preloader.as:279]
	at mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::initialize()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\SystemManager.as:1925]
	at mx.managers::SystemManager/initHandler()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\SystemManager.as:2419]

2、错误原因

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
			   xmlns:s="library://ns.adobe.com/flex/spark"
			   xmlns:mx="library://ns.adobe.com/flex/mx"
			   width="100%" height="100%" fontFamily="微软雅黑"
			   fontSize="12">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>

	<mx:HDividedBox width="100%" height="50%">
		<mx:HBox width="50%" height="100%" borderVisible="true" borderStyle="solid">

		</mx:HBox>
		<mx:HBox width="50%" height="100%" borderVisible="true" borderStyle="solid">

		</mx:HBox>
	</mx:HDividedBox>
	<mx:VDividedBox width="100%" height="50%">
		<mx:HBox width="50%" height="100%" borderVisible="true" borderStyle="solid">

		</mx:HBox>
		<mx:HBox width="50%" height="100%" borderVisible="true" borderStyle="solid">

		</mx:HBox>
	</mx:VDividedBox>
</s:Application>

3、解决办法