After entering command Brave shows in Ubuntu Software collection, but won't open

Brand new to Brave, my OS is latest Ubuntu 20.04, I cut n pasted the install command line instructions; ```
sudo apt install apt-transport-https curl

sudo curl -fsSLo /usr/share/keyrings/brave-browser-beta-archive-keyring.gpg https://brave-browser-apt-beta.s3.brave.com/brave-browser-beta-archive-keyring.gpg

echo “deb [signed-by=/usr/share/keyrings/brave-browser-beta-archive-keyring.gpg arch=amd64] https://brave-browser-apt-beta.s3.brave.com/ stable main”|sudo tee /etc/apt/sources.list.d/brave-browser-beta.list

sudo apt update

sudo apt install brave-browser-beta


I did a reboot, located Brave in 'Ubuntu Software' but it won't open. Suggestions please.