open terminal, type :

gedit /etc/apt/sources.list

add following codes:

deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib

Default Kali Linux Repositories

PermaLink: https://www.webmanajemen.com/2019/07/default-kali-linux-repositories.html

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