Missing information in the Network and Sharing Center screen Windows 7

Well the best way to describe my problem is through a screen shot of it.



All start when I was trying to do a stream in Windows media Player. So when I went to the Network and Sharing center I couldn’t find a lot of info there, such as :
Basic network info, it show only - Unknown-
No - View your Active networks and connect or disconnect
No – Access type info
No – Home Group Info
No – Connections info
Also full map is missing too.

Just below -Unknown- I have:

The service to detect this status is disabled.
More information…..

When I click on More information I have the following screen.





I click on -Turn this on- and nothing happens.

So, I need some help to fix this issue,
Tk’s in advance for any help
Carlos

Forget to say, besides this problem all the system is working fine, except for streaming and sharing stuff.
Carlos