You can use this service to reset your Battle.net password, which will remove most account locks.
Basic troubleshooting for WoW crashing and freezing issues
Troubleshooting steps for World of Warcraft crashing issues
System issues can cause World of Warcraft to crash with an Error 132: Fatal Exception! message.
Troucleshooting steps for crash problems
How to resolve being unable to log in due to this error
Unable to log in to a character after a paid service
Troubleshooting for Battle.net desktop application crashes.
Troubleshooting for game crashes with error "The application encountered an unexpected error"
This error message appears while logging in to the game with the message that the player was disconnected from the server.