IClean install of Gallery 3

Error after installation...
So here's the error:
The page you requested, index.php, could not be found.

File: kohana/core/Kohana.php, line: 795
And here's how we got there:

*

Kohana::show_404( )

* kohana/core/Event.php [209]:

call_user_func( Array
(
[0] => Kohana
[1] => show_404
)
)

* kohana/libraries/Router.php [163]:

Event::run( system.404 )

*

Router_Core::setup( )

* kohana/core/Event.php [209]:

call_user_func( Array
(
[0] => Router
[1] => setup
)
)

* kohana/core/Bootstrap.php [49]:

Event::run( system.routing )

* index.php [63]:

require( kohana/core/Bootstrap.php )