Historical clue formulations

• Online pop-up generator — 2022-10-23
• Pop-up generator — 2020-09-17
• "Congratulations! You've been selected ..." program — 2020-02-11
• Source of some pop-ups — 2019-02-06
• It can dirty your Windows — 2017-06-09
• Program with plugs — 2016-02-21
• Norton AntiVirus target — 2015-09-23
• Program producing online pop-ups — 2014-04-08
• Norton AntiVirus target — 2014-03-01
• Programming behind computer pop-ups — 2012-09-30
• Pop-up-producing program — 2009-12-08