# Cannot install Brave on Ubuntu 20.04.6 LTS **URL:** \ **Category:** Desktop Support\ **Tags:** linux\ **Created:** [April 6, 2023, 5:44pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829 "2023-04-06T17:44:27Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![cpepi001](https://avatars.discourse-cdn.com/v4/letter/c/2acd7d/32.png) [@cpepi001](https://community.brave.app/u/cpepi001)\ **Post date:** [April 6, 2023, 5:44pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/1 "2023-04-06T17:44:27Z")
**Description of the issue:** Cannot install Brave on Ubuntu 20.04.6 LTS **How can this issue be reproduced?** 1. Followed the instructions [here](https://brave.com/linux/#debian-ubuntu-mint) 2. The warnings/errors ```auto W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C W: GPG error: https://brave-browser-apt-release.s3.brave.com focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4FE13824E3FFC656 E: The repository 'https://brave-browser-apt-release.s3.brave.com focal InRelease' is not signed. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. ``` I followed this solution [here](https://community.brave.app/t/installation-issue-ubuntu-18-04-3-lts/100701/15) but still didn’t work form me ---
**Author:** ![fmarier](https://sea1.discourse-cdn.com/brave/user_avatar/community.brave.app/fmarier/32/18780_2.png) [@fmarier](https://community.brave.app/u/fmarier)\ **Post date:** [April 6, 2023, 6:37pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/2 "2023-04-06T18:37:48Z")
Did you follow the steps here? > **[Installing Brave on Linux | Brave Browser](https://brave.com/linux/#debian-ubuntu-mint)** > > The Brave browser is a fast, private and secure web browser for PC, Mac and mobile. Download now to enjoy a faster ad-free browsing experience that saves data and battery life by blocking tracking software. (you accidentally linked to a sales tax calculator instead of an instruction page) ---
**Author:** ![cpepi001](https://avatars.discourse-cdn.com/v4/letter/c/2acd7d/32.png) [@cpepi001](https://community.brave.app/u/cpepi001)\ **Post date:** [April 6, 2023, 7:08pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/3 "2023-04-06T19:08:39Z")
Yes. (I copied a wrong hyperlink, updated the post) ---
**Author:** ![cpepi001](https://avatars.discourse-cdn.com/v4/letter/c/2acd7d/32.png) [@cpepi001](https://community.brave.app/u/cpepi001)\ **Post date:** [April 6, 2023, 10:04pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/4 "2023-04-06T22:04:04Z")
OK, I was able to installed it but still getting errors when I run `sudo apt update` ```auto W: GPG error: https://brave-browser-apt-release.s3.brave.com focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4FE13824E3FFC656 E: The repository 'https://brave-browser-apt-release.s3.brave.com focal InRelease' is not signed. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C6ABDCF64DB9A0B2 ``` ---
**Author:** ![fmarier](https://sea1.discourse-cdn.com/brave/user_avatar/community.brave.app/fmarier/32/18780_2.png) [@fmarier](https://community.brave.app/u/fmarier)\ **Post date:** [April 6, 2023, 11:11pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/5 "2023-04-06T23:11:52Z")
Can you paste here the output of these commands: - `ls -l /usr/share/keyrings/brave-browser-archive-keyring.gpg` - `ls -l /etc/apt/sources.list.d/brave*` - `cat /etc/apt/sources.list.d/brave-browser-release.list` ---
**Author:** ![system](https://global.discourse-cdn.com/brave/original/3X/1/8/182067f3480d1a5e7aea5ae3131b116ca1ef7918.png) [@system](https://community.brave.app/u/system)\ **Post date:** [May 6, 2023, 11:12pm UTC](https://community.brave.app/t/cannot-install-brave-on-ubuntu-20-04-6-lts/480829/6 "2023-05-06T23:12:43Z")
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