Basically, kinda panicking now.

Here's the deal:
I wanted to learn more about linux, so I picked up Kbuntu (it looked cooler than Ubuntu), and fired up the live CD with difficulty, because Acer laptops don't like not using windows, apparently.

Anyway; until today, my laptop booted from cold, through bios, and straight into windows; I enabled the option to change my boot device with F12 to get to the live cds.
From inside Kbuntu, I decided that it would be easier for me to cart around a full Kubuntu install on my flash drive, rather than live cd. So, I formatted my flash drive, and whatnot; and used it as the place to install Kubuntu.
The install went off without apprent hitch. But then, I restarted to make sure windows was working, and removed my flash drive and live cd. I all but shat my pants when I saw naught but a few lines of white console text and an error code. I thought fast, and turned it off. I plugged my flash drive back in, and it worked... sort of. I was of the impression that I would be able to use my F12 to select Kubuntu as my OS, should I need to boot into it.
I have now seemed to acquire Grub loader.

"So what, dig deal. You're posting from windows right now, ain't ya?"
I wish it were so. Grub, while I'm sure it means well, has created two crippling flaws.
1) I need that one USB drive to just boot. I can't even get into windows without having it.
2) It defaults to booting into Kubuntu, and it is possible for a cabbage user (or me, in haste) to accidentally tap the recovery partition.
While these flaws are not computer-life-threatening, they are most assuredly a crimp on my computing style, and I would like to remedy the Grub problem, i.e.
1) Stop grub requiring the USB drive, and
2) Default boot to windows

I care not for Kubuntu, if fixing my booting would require me to abandon it. Help would be greatly appreciated. This is by no means the last stop for help, but it is certainly the most trustworthy.
Please, I beg this of EP: Help!