Originally Posted by powerfear
The Engine.exe isn't packed with anything, it was packed with themida before but it's not anymore. It's probably hackshield that cause you problem, and don't use MHS to debug use OllyDBG and open the Engine.exe don't attach it, use MHS if you need to search address only. If you have a absolute need to debug by attaching to a running process then you will need to bypass hackshield.
And to fix that you need Peid and CRC32 plugin! Google it
