[lkillen]

Originally Posted by Will7272

Sounds like you're trying to flash a new ROM without following the steps to get from 2.1 to 2.2. You can't just flash it using HTC Sync. You have to follow the steps here:

http://forum.ppcgeeks.com/htc-evo-4g...roms-wipe.html

This is the manufactures RUU. He should be able to just run the exe from his PC and follow the promps. I had the same problem and said screw it. But you are right. He should just do the root process. That is how I got past it.