when i try to build in device it give error Please Help me

[GoogleCodeExporter]

I can run successfully on the emulator, but when i compile for device (i have 
set everything to ARM), i got these errors :

1. unresolved external symbol 
doubango_rt2EBackEnd_ProxyFileInfo  C:\Users\namanh\Desktop\myboghe\boghe\branche
s\2.0\boghe\winrt\BackEndProxyStub\dlldata.obj  BackEndProxyStub

2. unresolved external symbol 
doubango_rt2EBackEnd2EOutOfProcess_ProxyFileInfo    C:\Users\namanh\Desktop\myboghe
\boghe\branches\2.0\boghe\winrt\BackEndProxyStub\dlldata.obj    BackEndProxyStub

3. The command "xcopy /Q /Y 
"C:\Users\namanh\Desktop\myboghe\boghe\branches\2.0\boghe\Debug\BackEndProxyStub
\doubango_rt.BackEndProxyStub.dll" 
"C:\Users\namanh\Desktop\myboghe\boghe\branches\2.0\boghe\Boghe-wp8"" exited 
with code 4.    Boghe-wp8

Original issue reported on code.google.com by nishant....@gmail.com on 26 Mar 2014 at 1:20