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Everything Else · died 2023

Microsoft Security Essentials

???? — 2023 · Microsoft
retired Reported · 2023

“Free, quiet, and dependable — the antivirus that just did its job and asked for nothing.”

Microsoft Security Essentials was free antivirus software that protected home users and small businesses against viruses, spyware, rootkits, and Trojan horses. It ran quietly in real time, monitoring activity and scanning new files as they appeared, all without a price tag. Rivals like Symantec, McAfee, and Kaspersky initially dismissed it, but users appreciated a free, no-fuss guardian from the maker of Windows itse

MSE served the older Windows world faithfully, protecting Windows XP, Vista, and 7 before version 4.5 dropped XP support. Its role was gradually absorbed by Windows Defender, the antivirus built into Windows 8 and later. Microsoft retired it in 2023, leaving behind the memory of the era when your antivirus was simple, free, and yours.

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