you ARE doing this from a LiveCD....yes ?
Yes , I am doing this form a Live CD.


If not - boot to LiveCD using Knoppix26 1
Which version 26 1 is ? Is it same as V4 ?


Which HDD are you having trouble with ???
I can not create an extended partition on any one of these hard disks,,,I want to learn how to create an extended partition (for future use,,,because right now I have alreday created one).


and also post the output of
I will be glad to do that, But if I want to learn how to create an extended partition, do I need to provide the output ?