Unable to update the package through apt-get

[Abhishek_Saurabh]

Dear Team,

Unable to update the packages through "apt-get update" command. PFA the error message screenshot. Recently i installed Ubuntu 14.04.3 on one server. Internet connection i already having. Although its pinging the "google.co.in"

It would be great help if any one can suggest me on "abhishekxsaurabh@gmail.com" OR "saurabhab@hcl.com"

Early response would be highly appreciable.

Thank you.

Regards,
Abhishek Saurabh

[v3.xx]

For the gpg no_pubkey error

http://ubuntuforums.org/showthread.php?t=1869890&p=11396213&viewfull=1#post11396213

For hash mismatch, try another mirror.

I think hashsum mismatch is going around, I have also experienced this.

[Abhishek_Saurabh]

Hi,

No output came after doing the above suggestion. Still laying on the same situation. Tried various key combination but no result came out. Please help us.