The acronym “PUP” stands for “potentially unwanted program”. McAfee’s virus scan and similar software will pop-up identifying information when a PUP is encountered and ask for your permission to remove it. The types of programs most frequently assigned PUP status are spyware and adware, though viruses also fall into this category. Spyware and adware are … Continue reading What is a “PUP”? Spyware vs. Adware. Removing PUP’s.