This question already has an answer here:
As can be seen on the title, I got the "Failed to fetch... Hash Sum mismatch" Error. I have tried this method:
- Deleting /var/lib/apt/lists/* does not work...
Thinking, if I'm behind a proxy, I tried fixing "Hash Sum Mismatch" like this:
By Creating a file /etc/apt/apt.conf.d/99fixbadproxy with this content
I tried several other solutions provided on askubuntu however, it doesn't work.
Have a look at my error on the terminal.