java.lang.Security Exception

this is my first android app. its a login application.. which on successful login will open the given url (web view). it has also a new user registration activity. my app is error free and the main activity(and main.xml) easily comes up in the emulator but as soon as i press the button for new user registration the application stops saying " Application has stopped unexpectedly ". the LOgCat entries are as follows. thanks in advance

06-28 10:31:34.713: ERROR/Zygote(32): setreuid() failed. errno: 2
06-28 10:31:41.404: ERROR/Zygote(32): setreuid() failed. errno: 17
06-28 10:31:42.434: ERROR/BatteryService(58): usbOnlinePath not found
06-28 10:31:42.434: ERROR/BatteryService(58): batteryVoltagePath not found
06-28 10:31:42.434: ERROR/BatteryService(58): batteryTemperaturePath not found
06-28 10:31:42.454: ERROR/SurfaceFlinger(58): Couldn't open /sys/power/wait_for_fb_sleep or /sys/power/wait_for_fb_wake
06-28 10:31:47.283: ERROR/EventHub(58): could not get driver version for /dev/input/mouse0, Not a typewriter
06-28 10:31:47.283: ERROR/EventHub(58): could not get driver version for /dev/input/mice, Not a typewriter
06-28 10:31:47.513: ERROR/System(58): Failure starting core service
06-28 10:31:47.513: ERROR/System(58): java.lang.Security Exception
06-28 10:31:47.513: ERROR/System(58): at android.os.BinderProxy.transact(Native Method)
06-28 10:31:47.513: ERROR/System(58): at android.os.ServiceManagerProxy.addService(ServiceManagerNative.java:146)
06-28 10:31:47.513: ERROR/System(58): at android.os.ServiceManager.addService(ServiceManager.java:72)
06-28 10:31:47.513: ERROR/System(58): at com.android.server.ServerThread.run(SystemServer.java:184)
06-28 10:31:48.213: ERROR/SoundPool(58): error loading /system/media/audio/ui/Effect_Tick.ogg
06-28 10:31:48.213: ERROR/SoundPool(58): error loading /system/media/audio/ui/KeypressStandard.ogg
06-28 10:31:48.213: ERROR/SoundPool(58): error loading /system/media/audio/ui/KeypressSpacebar.ogg
06-28 10:31:48.213: ERROR/SoundPool(58): error loading /system/media/audio/ui/KeypressDelete.ogg
06-28 10:31:48.213: ERROR/SoundPool(58): error loading /system/media/audio/ui/KeypressReturn.ogg
06-28 10:31:49.703: ERROR/ThrottleService(58): Could not open GPS configuration file /etc/gps.conf
06-28 10:31:50.403: ERROR/logwrapper(132): executing /system/bin/tc failed: No such file or directory
06-28 10:31:50.493: ERROR/logwrapper(133): executing /system/bin/tc failed: No such file or directory
06-28 10:31:50.523: ERROR/logwrapper(135): executing /system/bin/tc failed: No such file or directory
06-28 10:31:58.281: ERROR/HierarchicalStateMachine(58): TetherMaster - unhandledMessage: msg.what=3