Hello, I would like to know how to force-Update tekkit, like the normal minecraft "Options" button, and "ForceUpdate" Any one know how? - On another topic, My NEI (Not enough Items, broke.. I mean When I'm not searching for anything, it only searches for "Nano" because I was searching that earlier. Then I logged back on and it didnt work. This is one of the main reasons I want to Force Update Tekkit.
I'm pretty sure if you "Clear Cache" in the launcher that should do what you want, but be sure to save things like your mini map waypoints and home positions if any are set:P