Can anyone help me with this. I am trying to compile a Debug multithreaded DLL and I keep getting the following errors. I am really stuck so if anyone has encountered these errors before and can point me in the right direction I would greatly appreciate it. nafxcwd.lib(timecore.obj) : error LNK2001: unresolved external symbol __mbctype nafxcwd.lib(apphelp.obj) : error LNK2001: unresolved external symbol __mbctype nafxcwd.lib(filelist.obj) : error LNK2001: unresolved external symbol __mbctype nafxcwd.lib(appcore.obj) : error LNK2001: unresolved external symbol ___argv nafxcwd.lib(appcore.obj) : error LNK2001: unresolved external symbol ___argc Debug/if_boxcube.dll : fatal error LNK1120: 3 unresolved externals Error executing link.exe. if_boxcube.dll - 6 error(s), 0 warning(s) Thanks, In Advance :confused:Stacie:confused: "Imagination Is More Important Than Knowledge" ~Albert Einstein