I had to reinstall Ubuntu 9.04 and ever since I have been getting this message when I go to Update Manager and search for new update this is what I get any help
Also if the
http://deb.opera.com stable Release is for the Opera web browser I don't want it.
"GPG error:
http://deb.opera.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F9A2F76A9D1A0061GPG error:
http://ppa.launchpad.net jaunty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6E871C4A881574DEGPG error:
http://ppa.launchpad.net jaunty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0D6ADAA5A2CAF451Failed to fetch
http://ppa.launchpad.net/bisigi/ppa/...amd64/Packages 404 Not Found
Failed to fetch
http://ppa.launchpad.net/bisigi/ppa/...amd64/Packages 404 Not Found
Failed to fetch
http://ppa.launchpad.net/bisigi/ppa/...amd64/Packages 404 Not Found
Some index files failed to download, they have been ignored, or old ones used instead."