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Hi, i have recently noticed a bit of a performance issue on my hp laptop running windows 10 home. what happens is, if i am not doing anything on the laptop, but am not putting it to sleep (i.e. idling), it stays at a low cpu usage.. It jumps between mcafee scanner service, service host, system, officeoneclick, microsoft onedrive, dropbox, etc. i did a refresh of my os, but this did not seem to fix the issue.. It is a part of the mcafee on-access antivirus scanner from network associates, inc. this process can be resource intensive since it tries to monitor process running on the computer, files that are being accessed, and the computer’s registry to prevent virus infection. compatible with windows 10, windows 8, windows 7, windows vista.