Are you having issues watching your favorite program online. This could have been happening because your online media player does have correct buffer settings. This value allows your computer to download the content ahead.
Changing it to 30 seconds would help a lot. Below are detailed steps for configuring these in windows media player and real player.
Start the media player, make sure you use the latest version. Right-Click and select Options from the menu. Click on Performance and Change the Buffer Size of Content to 30 seconds.
In real player you select Tools -> Preferences and click on the General -> Playback Settings. The setting Buffer up to 30 seconds is at the bottom of this window.