HP didnt installed Vista using the coa...

[atifsh]

i realized this strange thing, while i was using magic jelly..... to copy the serial instead of looking at the bottom of the laptop, the serial on the coa is different then serial used to install vista premium on my laptop by HP.

now what serial i should save or use as i may downgrade / upgrade [which ever u like] to XP. also i may reinstall vista later as i dont need the softwares came with it.