Error LNK2005

Need help resolving these compiling errors.  They all seem to be from the same library.

Error      9      fatal error LNK1169: one or more multiply defined symbols found      c:\Projects\UnityExtProperty\Debug\UnityExtProperty.dll      1
Error      1      error LNK2005: _DllMain@12 already defined in basesnap.obj      uafxcwd.lib
Error      5      error LNK2005: "void __cdecl operator delete[](void *)" (??_V@YAXPAX@Z) already defined in LIBCMTD.lib(delete2.obj)      uafxcwd.lib
Error      7      error LNK2005: "void __cdecl operator delete(void *,int,char const *,int)" (??3@YAXPAXHPBDH@Z) already defined in basesnap.obj      uafxcwd.lib
Error      3      error LNK2005: "void __cdecl operator delete(void *)" (??3@YAXPAX@Z) already defined in LIBCMTD.lib(dbgdel.obj)      uafxcwd.lib
Error      8      error LNK2005: "void * __cdecl operator new[](unsigned int,int,char const *,int)" (??_U@YAPAXIHPBDH@Z) already defined in LIBCMTD.lib(dbgnew.obj)      uafxcwd.lib
Error      4      error LNK2005: "void * __cdecl operator new[](unsigned int)" (??_U@YAPAXI@Z) already defined in LIBCMTD.lib(new2.obj)      uafxcwd.lib
Error      6      error LNK2005: "void * __cdecl operator new(unsigned int,int,char const *,int)" (??2@YAPAXIHPBDH@Z) already defined in LIBCMTD.lib(dbgnew.obj)      uafxcwd.lib
Error      2      error LNK2005: "void * __cdecl operator new(unsigned int)" (??2@YAPAXI@Z) already defined in LIBCMTD.lib(new.obj)      uafxcwd.lib




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Thanks.