I am still getting this error in update manager :
> W: GPG error:
> http://medibuntu.sos-sts.com edgy Release: The following signatures
> couldn't be verified because the public key is not available:
> NO_PUBKEY 2EBC26B60C5A2783
Also the upgrade button is still not at the top of my update manager. How do
I fix this what did I do wrong?