How to fix Failed to execute default web browser error?

Question

linux

Hello!
Installed Debian. When clicking on the browser icon, an error pops up:
"Failed to execute default Web browser. I/O error".
How to fix?

Answer 1

Correct like this:

wget -O - http://deb.opera.com/archive.key | apt-key add -
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
echo "deb http://deb.opera.com/opera/ stable non-free" > /etc/apt/sources.list.d/opera.list
echo "deb http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list
aptitude update
aptitude install opera iceweasel google-chrome-stable

(everything as root in a terminal window).

Answer 2

install another or reinstall this browser