Chrome show errors "Your connection is not private"

Yesterday I update Chrome browser on my Ubuntu 14.04 as they are suggested to me.

Now I can not access following web sites: google.com, youtube.com and gmail.com

and the error is

Your connection is not private

Attackers might be trying to steal your information from www.google.rs (for example, passwords, messages, or credit cards). NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM

I reinstall chrom, clear all data but nothing... all I can found on google(from firefox) are old posts ...

Does anyone know how to solve this?

Note: I can access to the rest of the web - regular web sites, but can not to the google services/web sites.

Solution 1:

Installing the Network Security Service libraries package with

sudo apt-get install libnss3-1d

solved it for me.

Solution 2:

First add following to your sources.list

deb http://security.ubuntu.com/ubuntu trusty-security main 

Then Run

sudo apt-get install libnss3-1d

It worked for me.