W: GPG error: http://archive.debian.org/debian squeeze Release: The following signatures were invalid: EXPKEYSIG AED4B06F473041FA Debian Archive Automatic Signing Key (6.0/squeeze) <[email protected]> EXPKEYSIG 64481591B98321F9 Squeeze Stable Release Key <[email protected]>
E: The repository 'http://archive.debian.org/debian squeeze Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian-security squeeze/updates Release: The following signatures were invalid: EXPKEYSIG AED4B06F473041FA Debian Archive Automatic Signing Key (6.0/squeeze) <[email protected]>
E: The repository 'http://archive.debian.org/debian-security squeeze/updates Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian lenny Release: The following signatures were invalid: EXPKEYSIG AED4B06F473041FA Debian Archive Automatic Signing Key (6.0/squeeze) <[email protected]> 9FED2BCBDCD29CDF762678CBAED4B06F473041FA EXPKEYSIG 4D270D06F42584E6 Lenny Stable Release Key <[email protected]> 7F5A44454C724A65CBCD4FB14D270D06F42584E6
E: The repository 'http://archive.debian.org/debian lenny Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian-security lenny/updates Release: The following signatures were invalid: EXPKEYSIG 9AA38DCD55BE302B Debian Archive Automatic Signing Key (5.0/lenny) <[email protected]> 150C8614919D8446E01E83AF9AA38DCD55BE302B
E: The repository 'http://archive.debian.org/debian-security lenny/updates Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian etch Release: The following signatures were invalid: EXPKEYSIG 9AA38DCD55BE302B Debian Archive Automatic Signing Key (5.0/lenny) <[email protected]> 150C8614919D8446E01E83AF9AA38DCD55BE302B 7EA391D72477203B58C04FBCB5D0C804ADB11277
E: The repository 'http://archive.debian.org/debian etch Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian-security etch/updates Release: The following signatures were invalid: EXPKEYSIG 9AA38DCD55BE302B Debian Archive Automatic Signing Key (5.0/lenny) <[email protected]> 150C8614919D8446E01E83AF9AA38DCD55BE302B
E: The repository 'http://archive.debian.org/debian-security etch/updates Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian sarge Release: The following signatures were invalid: EXPKEYSIG A70DAF536070D3A1 Debian Archive Automatic Signing Key (4.0/etch) <[email protected]> A99951DAF9BB569BDB50AD90A70DAF536070D3A1 7EA391D72477203B58C04FBCB5D0C804ADB11277
E: The repository 'http://archive.debian.org/debian sarge Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://archive.debian.org/debian-security sarge/updates Release: The following signatures were invalid: EXPKEYSIG A70DAF536070D3A1 Debian Archive Automatic Signing Key (4.0/etch) <[email protected]> A99951DAF9BB569BDB50AD90A70DAF536070D3A1
E: The repository 'http://archive.debian.org/debian-security sarge/updates Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.