Microsoft fixes 5-year-old Defender bug that slowed Firefox theregister.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theregister.com Daily Mail and Mail on Sunday newspapers.
1441918 - Antimalware Service Executable (Windows Defender) very active / high CPU when using Firefox mozilla.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mozilla.org Daily Mail and Mail on Sunday newspapers.