Hm, are all permissions correct? Especially where game saves your character details? Can you run it from terminal and see what it says on crash?
You can also use ryzom chat to ask online (might be faster than here :)) or send a ticket with your problem via form or to support@ryzom.com.
You can also use ryzom chat to ask online (might be faster than here :)) or send a ticket with your problem via form or to support@ryzom.com.