Windows 10 MsMpEng running all my apps at once on boot

O

ontodva

Extraordinary Member
Joined
Nov 17, 2014
Messages
5
Since installing the Windows 10 Anniversary update, booting has been slow and the PC is sluggish for a while. As soon as I could get Task Manager open I saw C: had 100% utilisation. I ran Resource Monitor and saw that MsMpEng apparently had a long list of my installed programs running at the same time. Each was reading roughly 60KB a second. This lasted a minute or so. What's going on?
 
Solution
MsMpEng is the Windows Defender service. With the anniversary updates comes cloud analytics to Windows Defender. It may be building a baseline for your system. How long have you had the update installed?
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MsMpEng is the Windows Defender service. With the anniversary updates comes cloud analytics to Windows Defender. It may be building a baseline for your system. How long have you had the update installed?
 
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