hi,
i have installed kali 2020.2a on virtualbox using ova file

i have installed it fine. put im not able to clone some of the tools
my apt-get update shows an error
i have tried many solution and nothing seems to work !!! sigh

MY APT/ETC/SOURCES.LIST

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

AND THE ERROR I AM GETTING AFTER TRYING APT-GET INSTALL

kali@kali:~$ sudo apt-get updateGet:1 http://mirror.pyratelan.org/kali kali-last-snapshot InRelease [30.5 kB]
Hit:2 http://mirror.neostrada.nl/kali kali-experimental InRelease
Get:3 http://mirror.pyratelan.org/kali kali-last-snapshot/main amd64 Packages [16.8 MB]
Err:3 http://mirror.pyratelan.org/kali kali-last-snapshot/main amd64 Packages
Hash Sum mismatch
Hashes of expected file:
- Filesize:16790784 [weak]
- SHA256:2ac196b83424cce55642b0e90dbbeddd6c8fe775b5c c7888893d3c541553931e
- SHA1:b1a102121305970c2dfc549d045b8827c7ced908 [weak]
- MD5Sum:8bd25227167891534f3d8c8677dac5b4 [weak]
Hashes of received file:
- SHA256:5a2366400ee9dd8e49afc253e6faa03e8f73c0b499c 9f5bb265f5c8b6ab169b2
- SHA1:4326cab4bdd39d91e1c54a888b365e928aa23d87 [weak]
- MD5Sum:8bd25227167891534f3d8c8677dac5b4 [weak]
- Filesize:16790784 [weak]
Last modification reported: Tue, 21 Jul 2020 14:47:06 +0000
Release file created at: Tue, 21 Jul 2020 14:48:01 +0000
Get:4 http://mirror.pyratelan.org/kali kali-last-snapshot/non-free amd64 Packages [200 kB]
Get:5 http://mirror.pyratelan.org/kali kali-last-snapshot/contrib amd64 Packages [96.7 kB]
Fetched 16.8 MB in 45s (370 kB/s)
Reading package lists... Done
E: Failed to fetch http://mirror.pyratelan.org/kali/dis...64/Packages.gz Hash Sum mismatch
Hashes of expected file:
- Filesize:16790784 [weak]
- SHA256:2ac196b83424cce55642b0e90dbbeddd6c8fe775b5c c7888893d3c541553931e
- SHA1:b1a102121305970c2dfc549d045b8827c7ced908 [weak]
- MD5Sum:8bd25227167891534f3d8c8677dac5b4 [weak]
Hashes of received file:
- SHA256:5a2366400ee9dd8e49afc253e6faa03e8f73c0b499c 9f5bb265f5c8b6ab169b2
- SHA1:4326cab4bdd39d91e1c54a888b365e928aa23d87 [weak]
- MD5Sum:8bd25227167891534f3d8c8677dac5b4 [weak]
- Filesize:16790784 [weak]
Last modification reported: Tue, 21 Jul 2020 14:47:06 +0000
Release file created at: Tue, 21 Jul 2020 14:48:01 +0000
E: Some index files failed to download. They have been ignored, or old ones used instead.


AND WHEN I TRY TO CLONE ANYTHING FROM GIT: IT SHOWS:

kali@kali:~$ git clone https://github.com/Screetsec/TheFatRat.git
Cloning into 'TheFatRat'...
remote: Enumerating objects: 4, done.
remote: Counting objects: 100% (4/4), done.
remote: Compressing objects: 100% (3/3), done.
fatal: pack has bad object at offset 6627800: inflate returned -5
fatal: index-pack failed


DO HELP ME !!
i have been breaking my head and figuring out solutions for them
thankyou