1. ..\BlackBerry\net.rim.eide.componentpack5.0.0_5.0.0.7\components\MDS\config
open 'rimpublic.property',
modify proxy:
[HTTP HANDLER]
application.handler.http.proxyEnabled=true
application.handler.http.proxyHost=***.**.***.*
application.handler.http.proxyPort=****
2. ..\BlackBerry\net.rim.eide.componentpack5.0.0_5.0.0.7\components\MDS
run 'run.bat'
3 start blackberry simulator.