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A serious answer:

could not resolve archive.ubuntu.com

This indicates that you are having DNS problems. The network interface may be up, but I'm not sure.

Login to a terminal window, as the administrative/root user.

Enter this command: ifconfig

You should get something like:

eth0      Link encap:Ethernet  HWaddr xx:xx:xx:xx:xx:xx
          inet addr:192.168.1.100  Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: xxxx::xxxx:xxxx:xxxx:xxxx/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1924562 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1083105 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:174643934 (166.5 MiB)  TX bytes:539642311 (514.6 MiB)
          Interrupt:5

Plus another one for "lo". But, if you have the eth0 entry, then you have a valid network connection, and it's just a matter of resolving your hostnames.

If that looks good, enter this command: cat /etc/resolv.conf

It should have something like:

nameserver 8.8.8.8
nameserver 8.8.4.4

If there's nothing, that's your problem. If you have other IP addresses, you need to be sure they are valid (and that's beyond my ability to do remotely).

BTW, those nameserver addresses are valid: use them if you aren't sure your's are working. They are the Google DNS addresses.

Yes. I'm logged in I think- man that has been around awhile...

I will try those commands and be back asap. Thanks!!

Got it going- thanks so much.