Ubuntu 18.04 System Python 3 Upgrade


After the upgrade from Python 3.6 to Python 3.8:

  • Ubuntu Software Center not working
  • Can’t start terminal by Ctl+Alt+t
  • Can’t start terminal or software
  • Error Message - A problem occured when checking for the updates

Root cause

After the Python 3 upgrade, I changed the Update-alternatives configuration. Fortunately I remembered it!


Start terminal in right click menu and change back to the original configuration of update-alternatives, as below:


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Hongwei Li
Hongwei Li
Software, Networking

Always on the way - Coding, DevOps, Networking.