I installed dolphin 7.0.7 but I get this error if i clik on admin account:

Not Found

The requested URL /admin was not found on this server.

and when I try to manage the modules on admin panel modules them give this error: only a few modules are ok...

The requested URL /m/data_migration/administration/ was not found on this server.
The requested URL /m/facebook_connect/administration/ was not found on this server.
The requested URL /m/poll/administration/ was not found on this server.
Shoutbox see more ok
Simple messenger ok
The requested URL /m/spy/administration/ was not found on this server.
Flash Apps ok
ads ok
The requested URL /m/articles/admin/ was not found on this server.
The requested URL /m/avatar/administration/ was not found on this server.
Blogs ok
Custom RSS Moderation ok
The requested URL /m/feedback/admin/ was not found on this server.
The requested URL /m/files/administration was not found on this server.
The requested URL /m/google_search/administration/ was not found on this server.
The requested URL /m/news/admin/ was not found on this server.
OpenSocial ok
The requested URL /forum/ was not found on this server.
The requested URL /m/pageac/admin/ was not found on this server.
The requested URL /m/payment/admin/ was not found on this server.
The requested URL /m/photos/administration was not found on this server.
The requested URL /m/profile_customize/administration was not found on this server.
Profiler ok
The requested URL /m/map_profiles/administration/ was not found on this server.
Quotes ok
The requested URL /m/sites/administration was not found on this server.
The requested URL /m/sounds/administration was not found on this server.
The requested URL /m/videos/administration was not found on this server.
The requested URL /m/wall/admin/ was not found on this server.
The requested URL /m/zipcodesearch/administration/ was not found on this server.
The requested URL /m/events/administration/ was not found on this server.
The requested URL /m/groups/administration/ was not found on this server.
The requested URL /m/store/administration/ was not found on this server.
The requested URL /m/smtpmailer/administration/ was not found on this server.

if I install version dolphin 7.0.6 on this server then everything works ok ...