dirbuster shuts down internet on Virtual machine

Hello everybody, i'm studying cyber security, and when i'm watching the video course and start dirbuster, after a few seconds the internet just shuts down, the internet of the kali linux virtual machine only, everything else is just fine, i have tried SO MANY thinks to make it work again, but the only thing that seems to work is to restart the computer again.

I have kali linux on virtual box: VBox version: VirtualBox Graphical User Interface Version 6.1.16 r140961 (Qt5.9.5)

kali linux version: VERSION="2020.4" VERSION_ID="2020.4".

i have tried : -change from nat network to nat/bridge..etc/ back and forward in the Vbox settings
-restarting the virtual kali machine / shutting it down and up again

• setting down and up again the eth0 interface
  -restarting service NetworkManager
  -clear DNS cache
  -change the eth0 ip
  -delete the ethernet conexion and set up a new one instead or use the auto ethernet
  -update and upgrade everything
  -reduce the tread number in dirbuster from 200 to 10/15

-and so many more things but nothing seems to work to get the conexion back again until i restart the computer.

So i don’t know what is going on HOWEVER i can ping the other virtual machines like kioptrix on ip 10.0.2.20 from my ip 10.0.2.26 but if i ping google.com or yahoo.com, or 8.8.8.8 or 1.1.1.1, or

try to navigate on the internet in the browser, or keep watching the course, is not possible.
i can not ping to the gateway ip: 10.0.2.1 either

BUT when i try dirb command on the cli that does not happens

So i don't know what is going on, any help on this issue will be very appreciated. Thanks in advance!!