GUYS HELP ME!!!!PLZ!!

[GoatLover]

So I Have A PSP and i want to update it but it won't do it
all that shows up is that the disc could not be read and so on byt the thing that bugs me the most is the DADADADA error. Do Any of you guys know how to solve my problem?????????????????????????????????
myself and then going and then finally HELP PLZ

[RobThePyro]

try update via internet in network updates. that usualy works if the disc doesnt