17559 dash

Hello. I was going to update my xbox360 to the most recent dashboard version (17559), and right when i was dumping my nand i got a bunch of bad blocks as seen in the .txt file. Should i proceed with the update regardless, or should i do something about it?

Hi all, after lots of Googling, Youtubeing and hair pulling I'm asking for help please: My unmodded, stock Phat Xbox360 (Jasper, I think) came with a 20Gb hard disk which was full, but is now failing (some arcade games refuse to boot with a "the disk maybe dirty, take it out, wipe with a...