Hey,
I dont have a cracked version. But, i know the problem and found the solution for both, this explosion bug AND to be not able to log in. But its in german...if you want i can translate it tomorrow.
http://forum.pcgames...ws-7-64bit.html
It had something to do with the copy protection which caused a wrong entry in the registry before the installation (after entering the product key). Maybe you put this into your common issues after translation