Close open stuff
Open terminal
sudo rm /etc/apt/preferences.d/nosnap.pref
sudo apt update
sudo apt install snapd
sudo reboot
sudo snap install auto-cpufreq
Done.
OMG, that’s awesome. I didn’t know you could completely block snapd from getting installed just by having this file.
/etc/apt/preferences.d/nosnap.pref
Learn something new every day.