It looks like the crash corrupted your prefs.prop file.
Please try the "restore previous version" feature (right click, "properties", "restore previous version") on the prefs.prop in the savegame folder ( %USERPROFILE%\Documents\Telltale Games\The Walking Dead ).
Comments
Please try the "restore previous version" feature (right click, "properties", "restore previous version") on the prefs.prop in the savegame folder ( %USERPROFILE%\Documents\Telltale Games\The Walking Dead ).