Thread: what is this compile error , my code compiles fine in debug mode but not release mode

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libcp.lib(locale.obj) : error LNK2001: unresolved external symbol ___security_cookie
libcp.lib(wlocale.obj) : error LNK2001: unresolved external symbol ___security_cookie
libcp.lib(xlocale.obj) : error LNK2001: unresolved external symbol ___security_cookie
libcp.lib(locale.obj) : error LNK2001: unresolved external symbol @__security_check_cookie@4
libcp.lib(wlocale.obj) : error LNK2001: unresolved external symbol @__security_check_cookie@4
libcp.lib(xlocale.obj) : error LNK2001: unresolved external symbol @__security_check_cookie@4
Release/VNC Connecter.exe : fatal error LNK1120: 2 unresolved externals