installation errors....

[Alidad]

Hi, I recently downloaed roundcube lates version 0.2-stable today and I tried to install it in my server but i got error message said

Fatal error: Undefined class name 'rcube_install' in D:\hshome\xxx\roundcubemails\installer\index.php on line 20

does any one know what is this mean and how can i solve it!

AM

[JohnDoh]

what version of PHP are you running?

[Alidad]

we running latest version of 5.2.5... is that latest version!

AM