What product CD it's asking for?
You can try to copy VFP installation CD to a local drive and install from there.

>i m trying to install vfp 8.0 in my laptop, while installing system is giving
>error message that 'Please insert CD 1 in drive E:' and exit from the installation.
>
>The OS for lapotop is Windows XP with Service pack 2.
>after this i m tried to install 'Visual Studio Dot Net', while installing i got the same
>error and exit from the application.