Cannot register DLL using WiX

Question

I am trying to register a DLL using WiX. Now I know and understand that I should use heat and get it to pull the registry information for me, but heat seems to

Answer 1

I know this is old but I wanted to add an answer here - the reason this occurs is because the dll you are trying to register is 64 bit dll - and Heat.exe is 32 bit so it cannot load the dll in its address space. Anyway, just point to a 32 bit version of the dll to create the wxs file and you should not receive that error.