Why this error happens? How to resolve this ? (Repost : Modified, now the error is di

[C++ Programming]

I get the previously said error when i build in the following combination
Pockect PC 2003 ;
Win32 (Win CE Emulator debug or Release) ;
Pocket PC 2003 device;

but when i chage the configuration to the following
Pockect PC 2003 ;
Win32 (Win CE Arm debug or Release) ;
Pocket PC 2003 device;

I get the following error :
winscard.lib(WINSCARD.dll) : fatal error LNK1112: module machine type 'THUMB' conflicts with target machine type 'ARM'

Any clue why this happens ?
Thanks !