There other possibilities you might want to explore: Running Virtual PC 2007 on Windows 7 http://blogs.msdn.com/b/virtual_pc_guy/archive/2009/08/19/running-virtual-pc-2007-on-windows-7.aspx or https://www.virtualbox.org/ Anyway when changing to 64 bit, a layer of compatibility is warranted. Best regards, Kari Eveli LEXITEC Book Publishing (Finland) lexitec@xxxxxxxxxx *** Lexitec Online *** Lexitec in English: http://www.lexitec.fi/english.html Home page in Finnish: http://www.lexitec.fi/