Thanks very much, TechieChick ,draziw ,Tedob1 and the rest of the people for your advice.
Anyway I got an idea, my modem drivers are not updated and my browser too , and I tried to download the latest version and update my browser and it works fine, thanks very much... dude! BTW, im running only Pentium 500 Mhz with 128 mb of RAM, and 20 Gb of HD, McAfee v7.0, only crack! are installed. Once again thanks for your help, your my saviour!