Vpn on windows 11 not stable

Norton VPN (in norton 360) is unstable; it manage to connect and give an virtual IP adress but disconnect after a few minutes. I tried uninstalled and installed norton 360 again but this did not improve the situation.
What is strange is I also have the product on my android and it is stable on the same wifi network so I guess it is not because of the network.

thanks

Pierre