How To: Fix Ubuntu/Xubuntu Error "Failed to execute default web browser. input/output error"

 

1) Search settings manager in the search bar.

or type Terminal Command: xfce4-settings-manager

2) Open settings manager.

3) Click on Preferred Applications(the one with a star as a symbol)

4) Choose preferred web browser as other

5) Write usr\bin\google-chrome --no-sandbox that has opened up