DllRegisterServer/DllUnregisterServer failed in 0x80029C4A (TYPE_E_CANTLOADLIBRARY)

SYMPTOMS
When you try to register or unregister a COM server, it will pop failed in 0x80029C4A (TYPE_E_CANTLOADLIBRARY).

CAUSE
This is cuase by no TLB or missing TLB of this COM DLL. 

RESOLUTION
If your COM DLL is builded using /notlb. remember use
     CComModule::RgisterServer(FALSE);
     CComModule::DllUnregisterServer(FALSE);

otherwise, please make sure your TLB is well for register.

REFERENCE

CComModule::RegisterServer; CComModule::UnregisterServer

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