Don't know what i have to do please give me some advices
I'm using 11.04 (32 bit)W:GPG error: http://deb.opera.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AAFF4A5B336064B5, W:Failed to fetch http://extras.ubuntu.com/ubuntu/dist...-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
also I haven't Opera on my computer