![Foreign test institutions found that Microsoft Defender has a great impact on PC system performance, ranking second to last among 17 antivirus software - time.news - Time News Foreign test institutions found that Microsoft Defender has a great impact on PC system performance, ranking second to last among 17 antivirus software - time.news - Time News](https://s.yimg.com/ny/api/res/1.2/H2caWsHnmzRBDSS4tzQi.Q--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MA--/https://www.kocpc.com.tw/wp-content/uploads/2022/05/1651654548-2e956f3cba5499067143b62601fb9adf.png)
Foreign test institutions found that Microsoft Defender has a great impact on PC system performance, ranking second to last among 17 antivirus software - time.news - Time News
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AV-TEST Just Ranked the Best Windows Antiviruses for Business and Home Users / Digital Information World
![Foreign test institutions found that Microsoft Defender has a great impact on PC system performance, ranking second to last among 17 antivirus software - time.news - Time News Foreign test institutions found that Microsoft Defender has a great impact on PC system performance, ranking second to last among 17 antivirus software - time.news - Time News](https://www.kocpc.com.tw/wp-content/uploads/2022/05/1651652545-03083389ee185f937858f95acab7679e.png)