GPG key

[Vyacheslav Karamov]

Привет всем!

Поставил себе на винду Ulteo Virtual Desktop - дистрибутив линукса 
работающий прямо в винде.
Основан на Ubuntu Feisty, работает через coLinux.
И вот вопрос: как добавить GPG-ключи для репозитория Feisty?

Get:16 http://us.archive.ubuntu.com feisty-updates/restricted Packages 
[6341B]
Get:17 http://us.archive.ubuntu.com feisty-updates/universe Packages 
[98.3kB]
Get:18 http://us.archive.ubuntu.com feisty-updates/multiverse Packages 
[12.7kB]
Fetched 5618kB in 2m17s (40.7kB/s)
Reading package lists... Done
W: GPG error: http://security.ubuntu.com feisty-security Release: The 
following signatures couldn't be verified because the public key is not 
available: NO_PUBKEY 40976EAF437D05B5
W: GPG error: http://us.archive.ubuntu.com feisty Release: The following 
signatures couldn't be verified because the public key is not available: 
NO_PUBKEY 40976EAF437D05B5
W: GPG error: http://us.archive.ubuntu.com feisty-updates Release: The 
following signatures couldn't be verified because the public key is not 
available: NO_PUBKEY 40976EAF437D05B5
W: You may want to run apt-get update to correct these problems