Error after update

I write in ISP Manually and WAP2 manually... The internet worked fine before but now only network works.. but not internet... i can't restore the internet settings because then it stays gone, to i write it manually in! So how do i make internet work again,
and all my pc'es and other things work fine with internet! Nothing works, tried everything.

HI Joneb1066 If you are using the previous owners account you are violating the ToU and you will need to create your own account and delete his off of that console.

I was not using someone else's account I just presumed that because I had error 8c020007 that the xbox was linked to another account . I have tried today removing and replacing the hard drive, clearing the cache , reformatting the hard drive, reinstalling
my account, removing and reinstalling updates. Is there anything else I good do

Buenas tardes... desde ayer no puedo conectar mi consola xbox360 a Xbox Live desde Venezuela.. me pide actualización del kinetc y no me la permite hacer por el mismo motivo del error de conexión a Xbox Live

I had the same error after using "offline update tool" too!

In the xbox site, this error simply means that it is giving error in validating of the update! Does this buggy update is available??