Strange, but I keep getting 404: $ sudo add-apt-repository ppa:1024R/4929B943 Error reading https://launchpad.net/api/beta/~1024R/+archive/4929B943: HTTP Error 404: Not Found
W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7D0AC3554929B943
Strange, but I keep getting 404: /launchpad. net/api/ beta/~1024R/ +archive/ 4929B943: HTTP Error 404: Not Found
$ sudo add-apt-repository ppa:1024R/4929B943
Error reading https:/
W: GPG error: http:// ppa.launchpad. net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7D0AC3554929B943