Hello Everyone!
I want to install Ubuntu 8.0 on my laptop (Sony Vaio VGN-CR21S ) and when i click install and to format all the other partitions on it it gives me an error

Failed to create a swap space

The creation of a swap space in partition #5 of SCSI1 (0,0,0)(sda) failed.

What is the problem? the OS it had before is Windows Vista home Premium edition and a recovery disk partition i want both deleted-formated and install all disk space Ubuntu (cause its the best!!), if someone can please help me i would really appreciate it thank you for your time.