Quote: Originally Posted by Aphileon
does not display previews of the open programs when I mouse over them. Any ideas on how to change it back?
Windows Aero is disabled.
Right click on an empty space on your desktop > click Personalize > Select a theme under "Aero Themes".
Hope that helps, but if it doesn't, let us know. There are quite a few reasons why Windows Aero would be disabled and this won't fix all of them.