Error while runing sudo command in ubuntu installed inside Windows 10?

Question

My ubuntu 18.04 install successly from store. After that I tried two command which gives me error as follows

sudo apt update

Err:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
Connection failed [IP: 91.189.88.152 80] Err:2 http://archive.ubuntu.com/ubuntu bionic InRelease Connection failed [IP: 91.189.88.149 80] Err:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease Connection failed [IP: 91.189.88.161 80] Err:4 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Connection failed [IP: 91.189.88.149 80] Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date. W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic/InRelease Connection failed [IP: 91.189.88.149 80] W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease Connection failed [IP: 91.189.88.161 80] W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease Connection failed [IP: 91.189.88.149 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease Connection failed [IP: 91.189.88.152 80] W: Some index files failed to download. They have been ignored, or old ones used instead.

sudo apt install postgresql # Install PostgreSQL

Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package postgresql

I am trying odoo12 development on windows 10 with WSL ubuntu. I want to install postgres and odoo dependencies in this linux subsystem installed in windows 10. Please help me.

Answer 1

Ok the problem was with kaspersky when I exit the program and run bash commands it works. I got the answer from this link

https://askubuntu.com/questions/1076242/running-sudo-apt-get-update-returns-connection-errors

thank you all for the helps