I have a Windows Service that I install and upgrade with WiX, and this works great (it\'s very fast!). The only problem is that if I upgrade from, say, 1.0 to 1.1, both copies s
An addendum to this - if the RemoveFeatures attribute of MajorUpgrade is included, and names specific features to remove from the previous install (but not all of the features), that will cause the previous entry to remain in Add/Remove programs. If RemoveFeatures is not included, all the features of the previous install will be removed, including the entry in Add/Remove programs.