ATLTangram and midl.exe error

[john dixson]

When I try to compile microsofts ATLTangram example as per their instructions I get the following error message

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Creating Type Library...
ATLModel.idl
oaidl.idl
objidl.idl
unknwn.idl
wtypes.idl
ocidl.idl
oleidl.idl
servprov.idl
urlmon.idl
msxml.idl
Error executing midl.exe.

ATLGdiWorld.dll - 1 error(s), 0 warning(s)
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Does anybody know how to fix this compilation error