Hey I wanna reformat my computer (cause it has a crap load of malicious registry keys)and then install Ubuntu on the boot up but all I have to store the file on is a flash drive.
Okay ummmm... I'm clueless with Linux but from what I've seen Ubuntu it is the koolest and it's recommended for starting hackers/programmers. I need to find out what should I download. The CD ver download or the automatic I would prefer the automatic cause I have only 1gig of space on my drive and I need space for important documents....

How would I make my flashdrive into a boot disc so I can install Ubuntu after the reformatting

simple question I've gathered enough info to go on it but I don't want to risk having my computer handicapped because it doesn't have a OS

Whats this automatic?, If you want to reformat your computer, you would have to download the cd version, unless this automatic version is something other then what I think it is. I would download and burn the ubuntu iso as an image to a cd and backup my files to the flash drive. 1 gb is not enough for ubuntu anyways, you need at least 4 gb of harddrive space to have enough room to install it and to be able to install some programs.

you should download the live version of ubuntu 8.04 and burn it with nero or whatever your burning software it.make sure it burn as an image.
boot your computer on the "cd" and you can let ubuntu resize your harddisk automatically.

Please give us more detail about the system--eg what is the size of the hard-drive and how much data is there. As already stated, you will need more than 1GB to install Ubuntu (or just about any version of Linux).

I assume that "reformatting" the computer means that you will be re-installing Windows. If so, you do not need to be concerned about re-sizing partitions. Simply give Windows ~10GB, give ~8 to Linux, and use the rest for shared data.

See also the "getting started" link below.