The following instructions are on the assumption that RealPlayer 10.5 is installed. If you need RealPlayer 10.5, then visit Get the Media Player.
To ensure that the Bandwidth Connection is set properly for RealPlayer, follow these steps.
Start RealPlayer. From the menu bar choose Tools > Preferences. Under Category choose Connection > Test Connection.
The Turbo Connection Test screen will appear. Click Perform Test.
When the Perform Test is complete the Connection Test Results screen will appear. Click Update to adjust your bandwidth connection for RealPlayer. Once you have updated your settings, click Cancel to close the Connection Test Results screen. Then click OK.
Try playing the video again. If there is no change, proceed to Step 2.
Start RealPlayer. From the menu bar choose Tools > Preferences. Under Category choose Connection > Network Transports.
Enable Manually configure connections settings by checking the box. Now click RTSP Settings.
On the RTSP Transports Settings screen, disable (uncheck) Attempt to use UDP for all content then click OK.
Click OK again and close RealPlayer.
Try playing the video again.
