Max2012 has the exact same feature now, it is called "Rescale Elements" and its found in the UV editor under "Arrange Elements" and you should give it a try. It's a little more robust than the normalize script in texTools. Rescale Elements works on any kind of geometry and works in instances of the UwrapUVW that are…
This is like a great treasure hunt :) You're using this tutorial: [ame=" https://www.youtube.com/watch?v=y_1ql8yH2Ow"]Weapon creation tutorial - Part 3 (UV & baking) - YouTube[/ame] and you're using TexTools and you're trying to use the normalize button on that script? What do you have in your current object stack? The…