[10][14] Plummer said in a 2021 interview: "As intern I wrote a bunch of major features, like Smart Drive cache for CD-ROM, and DISKCOPY".
[10][15] During his tenure with Microsoft, Plummer's works included MS-DOS 6.2 and Windows NT, Task Manager, and Space Cadet Pinball.
[17] In 2006, SoftwareOnline was sued by The Washington State Attorney General's Office for alleged violations of the Consumer Protection Act after complaints were made about two products called "Registry Cleaner" and "InternetShield".
SoftwareOnline agreed to pay $150,000 in civil penalties, plus $250,000 that was ultimately suspended following compliance with all terms in the settlement, as well as $40,000 in legal fees.
[19] He continues to code in his free time and started a YouTube channel called Dave's Garage, where he creates a variety of content regarding computer programming and his personal interest, cars.
[20] Exactly six months later, on November 25, 2020, Plummer released a YouTube video that described his role in selecting the ballast data for the Windows XP anti-piracy protection.