Hi Szanne, try searching your Control Panel for other potentially unwanted or suspicious applications, Supra Savings could be reinstalled by them. You should uninstall all programs which are named "Installer", "Updater", "Supporter", etc. At the time of testing this adware was hiding under a name "2rs3" - so you should also search for such entry in your Control Panel and Internet browsers. After double checking your Control Panel and Internet browsers extensions scan your computer with Malwarebytes Antimalware and Spyhunter, both of the mentioned programs are capable of detecting and removing Supra Savings adware - https://www.pcrisk.com/top-spyware-removers