problem in upgrading to ubuntu 10.04 from 9.10

[skvaditya]

I am using ubuntu 9.10 karmic koala since its release & now I want to upgrade it to ubuntu 10.04. in update maneger when i am clicking on check tab its giving an error message


W: GPG error: http://ppa.launchpad.net hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7D2C7A23BF810CD5

And when I am clicking on upgrade to 10.04 tab its giving error message as

Could not download release notes: Check your internet connection
Although my internet connection is working fine.
Please help me how to solve this problem.

Thnx in Advance
Aditya

[a8j8i8t8]

I think it's just that their server is busy.
I tried for almost 15 times and then it started.

~Ajit

[wilee-nilee]

Trying to do a web upgrade right now may not be a good idea, I would wait a week or so, when the servers are cooled down. Never upgrade without a backup of what you can't lose either.

[bhavinvora]

I am using ubuntu 9.10 karmic koala since its release & now I want to upgrade it to ubuntu 10.04. in update maneger when i am clicking on check tab its giving an error message



And when I am clicking on upgrade to 10.04 tab its giving error message as

Although my internet connection is working fine.
Please help me how to solve this problem.

Thnx in Advance
Aditya
Same problem here.. tried multiple times and the upgrade started.. u can try the same..

--Bhavin