Hi Eileen, Priceless is an adware which infiltrates user's computers through free software downloads. The most important step when removing this adware is uninstalling "Supporter 1.80" and "Priceless" applications using Control Panel. Notice that "Supporter" application if not uninstalled will reinstall Priceless adware. After uninstalling these applications and making sure there are no "Priceless" plugins in your Internet browsers (following this removal guide - https://www.pcrisk.com/removal-guides/8208-ads-by-priceless) you could scan your computer with Malwarebytes Antimalware (https://www.pcrisk.com/top-spyware-removers) and AdwCleaner (https://toolslib.net/downloads/viewdownload/1-adwcleaner/). After this procedure your computer should be adware free - let me know if this helped.