var products = msi.Products;
for (var i = 0; i < products.Count; ++i)
if (products.Item(i).match("/^\{(?:7148F0A8-6813-11D6-A77B-00B0D0142|3248F0A8-6813-11D6-A77B-00B0D01[56])"/))
msi.ConfigureProduct(products.Item(i), 0, 2 /* INSTALLSTATE_ABSENT */);
</source>