求助西门子4000...

我是通过猫来作远端的,但是现在能连上猫,但是网上打开却是错误,请高手指教

错误信息是这样的

HTTP Error 406 HTTP Not Acceptable (Not acceptable) 

 An appropriate representation of the requested resource could not be found on this server. Most probably your language setting cannot be handled correctly. Please define at least en-US in your browser. 
 The requested URL was: /LAP2/u_home.shtml 
 The referencing page was: https://10.2.10.20/LAP2/lap.cgi 

我JAVA已经重新装过并通过了