DllRegisterServer/DllUnregisterServer failed in 0×80029C4A (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