applet调用本地exe文件报错，麻烦各位看一下

报错信息
java.security.AccessControlException: access denied (java.io.FilePermission C:\longshine\storage\storage.exe read) at java.security.AccessControlContext.checkPermission(Unknown Source) at java.security.AccessController.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPermission(Unknown Source) at java.lang.SecurityManager.checkRead(Unknown Source) at java.io.File.exists(Unknown Source) at dlyx.jlgl.common.StorageApplet.readPDA(StorageApplet.java:68) at dlyx.jlgl.common.StoragePrivilege.run(StoragePrivilege.java:32) at java.security.AccessController.doPrivileged(Native Method) at dlyx.jlgl.common.StorageApplet.readPdaPrivileged(StorageApplet.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.com.MethodDispatcher.invoke(Unknown Source) at sun.plugin.com.DispatchImpl.invokeImpl(Unknown Source) at sun.plugin.com.DispatchImpl$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.com.DispatchImpl.invoke(Unknown Source)java.lang.Exception: java.security.AccessControlException: access denied (java.io.FilePermission C:\longshine\storage\storage.exe read) at sun.plugin.com.DispatchImpl.invokeImpl(Unknown Source) at sun.plugin.com.DispatchImpl$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.com.DispatchImpl.invoke(Unknown Source)