Thank you dear, run Dexpot as administrator solved the problem. However this solution disable the response of taskbar pager to mouse right button click. Any suggestion about that?

Hello I am an old user of dexpot 1,4 under win XT and recently I migrated to win 7 64 bits, starting to use dexpot 1.5. My question is this: How to avoid some applications, for example Outlook 2010, automatically open in all desktop on windows 7 64 bits. This did not happen with Dexpot 1.4 on Window...