Notice: Undefined index: base theme in system_find_base_themes() (line 2664 of C:\a Website\2\drupal-7.14\modules\system\system.module).
Which was trying to say that Fusion base theme doesn't work by itself unless you find some bit of code to hack; you are meant to install a starter theme as default, which quite likely downloaded at the same time.
Are you free?
Aquia Prosper has not been updated to Drupal 7. An alpha release ceased development in June 2011. For some forgotten reason, this was meant to be the most tweaked free theme for selling things, but now it isn't.