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Im sorry if this is frequently asked but I could not find any useful answers in the forums.

I keep getting this error whenever I try to compile my program:
1>MSVCRTD.lib(ti_inst.obj) : error LNK2005: "private: __thiscall type_info::type_info(class type_info const &)" (??0type_info@@AAE@ABV0@@Z) already defined in LIBCMT.lib(typinfo.obj)

How can I fix this?
Thanks

Add 'libcmt' to the 'Ignore Specific Library' list, which is located here:

(Sorry if some of these are wrong - this is from memory)

Project->(Project Name) Properties...->Configuration Properties->Linker->Input

By doing that I now have all these errors:

1>convx.lib(ConvX.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>convmd3.lib(ConvMD3.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>convmdl.lib(ConvMDL.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(ProcessHSR.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>world.lib(Patch.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>system.lib(CSystemC.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>system.lib(dxdiaginfo.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(NVMeshMenderD3DX.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(CBSPTree.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(CSG.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(CCompiler.obj) : error LNK2019: unresolved external symbol __invalid_parameter_noinfo referenced in function "public: void __thiscall cCompiler::Release(void)" (?Release@cCompiler@@QAEXXZ)
1>display.lib(CGfxC.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(DBOFormat.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(Universe.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>basic3D.lib(cLightMaps.obj) : error LNK2001: unresolved external symbol __invalid_parameter_noinfo
1>Debug\Dark Invaders.exe : fatal error LNK1120: 1 unresolved externals

Thanks

Alright, remove 'libcmt' from the list and add 'msvcrtd' and see if that works.

Can I ask, are you using any extra libs other than DarkGDK?

Another fix could be going into the project settings and change "Code Generation." to MT/ Multithreaded and the subsystems to WINDOWS:WINDOWS.

I had this problem at one point in time and I think it was because I had a different DirectX SDK installed along with the August 2007 version. I would try uninstalling the SDK and maybe even Visual Studio and reinstall both of them making sure that you have the August 2007 SDK installed. You can even try getting the 7.4 upgrade to DarkGDK as well.

Thank you, adding msvcrtd to the list solved the problem and it now runs with no errors or warnings.