i dont know maybe this can help you
Delete The Cookies From Your Brower ( Tools ~~> Internet Options ~~> Delete Cookies )
Open The Command Prompt ( Start ~~> Run ~~> Cmd )
Then Run The Following Simple Commands : ipconfig /flushdns
ipconfig /flushdns
ipconfig /release
ipconfig /renew
close the cmd and restart rapidshare...! it may work!