I am developing application for nokia. The main interface shows the default Wireless LAN, the problem in this, and shows the wireless LAN when browsing with wifi to return to the system error, turn off the display of wireless LAN (Control Panel - Model - the main screen application - Wireless LAN removing) the system error will not occur. Also opened java / ecma script error page is always prompted to see tips java / ecma script error. Please help. Thanks in advance.