http://bugs.winehq.org/show_bug.cgi?id=25472
--- Comment #4 from Peter M Dodge twicescorned@gmail.com 2011-04-22 11:09:34 CDT --- (In reply to comment #3)
Actually it is, in a way.
Both of these actions are not in seperate engines, but rather, a central scripting engine. The conversation engine only adds a layer of interactivity to the scripting, so if Oblivion's scripting engine isn't working well with WINE, this would cause both of these errors.