Error when launching emulator in Android?

I have this error when i lunch the android emulator? why ?

[2011-04-20 19:39:23 - Yamba] Android Launch!
[2011-04-20 19:39:23 - Yamba] adb is running normally.
[2011-04-20 19:39:23 - Yamba] Performing course.class1.YambaActivity activity launch
[2011-04-20 19:39:23 - Yamba] Automatic Target Mode: Preferred AVD 'adham2'开发者_开发问答 is not available. Launching new emulator.
[2011-04-20 19:39:23 - Yamba] Launching a new emulator with Virtual Device 'adham2'
[2011-04-20 19:39:23 - Emulator] unknown option: -http-proxy="http://192.168.2.1"
[2011-04-20 19:39:23 - Emulator] please use -help for a list of valid options 

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Don't put a = with the options

-http-proxy "http://192.168.2.1"