Edit: I decided to update to 4.2 since I knew that it updated boot2. Updating has fixed the problem and I was able to reinstall it! I have successfully installed BootMii (version 2) as boot2 a while ago. However, I just tried to install BootMii version 4 (just released) and I get an error message saying that boot2 could not be assembled. BootMii has been working perfectly fine (including backuby oman00339 - BootMii Beta