This is the error I get
Could not load file or assembly 'Puzzle.SyntaxBox.NET, Version=1.4.10.7752, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
Some problem relating to this http://code.google.com/p/alsing/wiki/SyntaxBox
Edit: More information about the error
Could not load file or assembly 'Puzzle.SyntaxBox.NET, Version=1.4.10.7752, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)