I used Trucha Signer 0.21 few (5) times and were sussesfully extracted the main.dol, I had a JAP Wii with 3.2 mod chip. Until recently I tried to open Wii Music ISO (JPN), it freeze my computers (I use HP 2.8GHz, 512MB, Win XP Professional SP2, and other newer computer with Intel Core 2 Duo 2.5GHz, 4GB RAM, Win XP home SP2). It also freeze again when extract Rebel_Raiders_Operations_Nighthawk.iso (USA). The last time was opening MarioKart.iso (JPN) it said encounter error need to shutdown. What is the problem ?