title: 'E: Unable to locate package ros-foxy-desktop' intalling ROS2 in windows 10(wsl2)
body: <p>I installing ROS2 in the windows computer.
  I am using WSL2, Ubuntu 20.04.LTS</p>
  <pre><code>sudo apt install ros-foxy-desktop -y
  </code></pre>
  <p>But the results is</p>
  <pre><code>Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  E: Unable to locate package ros-foxy-desktop
  </code></pre>
  <p>How can I fix this problem?</p>