While it would be best to figure out the cause of the problem, try this
new save at the start of the game.
You can watch the Tutorial_Arrival.wmv video in the ..\data\video\story install folder. Talk to Rhode again if you wish, or check the brief initial conversation in the log.
There is an illusionist in the starting hamlet, who (after you talk to someone else) can change your characters appearance, voice and gender.
In XP the saves are in the folder
C:\Documents and Settings\ %username% \Local Settings\Application Data\Divinity 2\Savegames
or in Vista / Win 7
C:\Users\ %username% \AppData\Local\Divinity 2\Savegames
You may need to set Windows Explorer to show hidden files and folders (
XP, Vista,
Win 7).