Guess what, IMGBurn says that my recorder doesn't support 2x/2.4x and burns the disk at 4x automatically. I am screwed xD
Haha, unlucky. Oh well, how bad does it sound?
Anyway, ROBBY! Need some advice... Just flashed to stock, updated the 360 to 13146, flashed to LT+ 1.9... Now I'm being prompted with a system update again. What do I do?!
EDIT: I found out what it was.
Updates put some files on the storage device in use. Since my HDD wasn't in, when I updated it put them on my USB stick. Since it wasn't in when I turned the 360 on, it prompted me for an update to install the files it thought was missing when I plugged the USB stick in and tried to sign in. I restarted the 360 with the USB stick in and no update prompt.