In comment #8 misses the removal of ubufox, this worked for me:
sudo apt-get clean; sudo apt-get --purge remove apturl-common apturl ubufox; sudo apt-get --purge autoremove; sudo apt-get update; sudo apt-get install apt-url ubufox
In comment #8 misses the removal of ubufox, this worked for me:
sudo apt-get clean; sudo apt-get --purge remove apturl-common apturl ubufox; sudo apt-get --purge autoremove; sudo apt-get update; sudo apt-get install apt-url ubufox