thx cheyenne1212 for the reply and sorry caus i am not very clear .....
let me tell it in a few words..
1- i download 1 file and i see the download rate in netlimiter or netstat and its 50 or 40 kbps..
(the network and other PCs have a good net speed).....
2- i download 50 or 40 files and i see the download rate and its the same 50 or 40 or 60kbps
(the network realy slow and other Pcs can even browsing)..........

why???????? ......

thx