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Standard User Banger
(eat-sleep-adslguide) Fri 02-Sep-16 21:41:36
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Win 10 high idle cpu after update


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System is using 25% CPU and antimalware service executable is also appearing at the top of the list with about 12% cpu use. My idle does not go below 55% so is heating up my dual core E8400 to 65 degrees celcius. I am sure the other day it was idling at 1%.

Using Windows 10 build 14393.105 (1607) x64

Will check my 32 bit of same build tomorrow.

Any fixes?

Tim
www.xilo.net & freenetname
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Standard User Oliver341
(eat-sleep-adslguide) Sat 03-Sep-16 14:04:35
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Re: Win 10 high idle cpu after update


[re: Banger] [link to this post]
 
Sounds like a routine malware scan which should have finished by now.

Btw, I have a CPU of equal 2008 vintage, a Core2 Quad Q9300. I've certainly had my money's worth out of it but I think it's finally starting to fail. Hopefully it holds out until Kaby Lake hits retail.

Oliver.
Standard User Banger
(eat-sleep-adslguide) Sat 03-Sep-16 14:14:47
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Re: Win 10 high idle cpu after update


[re: Oliver341] [link to this post]
 
My other 32 bit desktop E2180 is doing the same, idling at 59%, it was 100% until I removed the beta of anti.ransomware by mbam, now both machines are idling at 59%.

If its a scan it's taking over 24 hours on both machines.

Tim
www.xilo.net & freenetname
Billion 7800 on 24 Meg LLU
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Standard User BatBoy
(sensei) Sat 03-Sep-16 14:22:15
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Re: Win 10 high idle cpu after update


[re: Banger] [link to this post]
 
Task Manager will show you what's taking the CPU
Standard User Banger
(eat-sleep-adslguide) Sat 03-Sep-16 14:43:21
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Re: Win 10 high idle cpu after update


[re: BatBoy] [link to this post]
 
System is taking the most then defender taking about 20% each, which could be a scan, but bearing in mind both machines have ssd and disk use is 0.1% on both machines I'm not sure its a malware scan.

Tim
www.xilo.net & freenetname
Billion 7800 on 24 Meg LLU
http://www.thinkbroadband.com/speedtest/results.html...
Standard User BatBoy
(sensei) Sat 03-Sep-16 15:11:58
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Re: Win 10 high idle cpu after update


[re: Banger] [link to this post]
 
Try adding C:\Program Files\Windows Defender\MsMpEng.exe (Windows Defender) to the excluded files list in Windows defender
Standard User micksharpe
(legend) Sat 03-Sep-16 15:27:35
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Re: Win 10 high idle cpu after update


[re: BatBoy] [link to this post]
 
In reply to a post by BatBoy:
Task Manager will show you what's taking the CPU
Resource Monitor provides better information. You can find out exactly what system process is chewing up your resources.
Standard User RobertoS
(elder) Sat 03-Sep-16 15:37:34
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Re: Win 10 high idle cpu after update


[re: micksharpe] [link to this post]
 
You can get CPU breakdown from Task Manager as well, surely? I use the Detail tab and have added CPU time and all the I/O figures to the displayed fields.

Then I sort it on the column I'm interested in at the time. Usually CPU or CPU time or one of the I/O ones. Occasionally Name if I want to watch a particular process.

The anonymous SVs wrapping many functions seem to have disappeared in Win 10, presumably bundled in for this purpose with whatever they are running.

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Standard User Banger
(eat-sleep-adslguide) Sat 03-Sep-16 15:50:05
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Re: Win 10 high idle cpu after update *FIXED*


[re: RobertoS] [link to this post]
 
Found the rogue program. It was the Prey Project for tracking stolen devices. I have forgot my password so cant remove the devices but as soon as I uninstalled prey from both machines, idle cpu is now a steady 0% when idle. Prey hooks into the system so something must have changed in that last update so making prey obsolete and using high cpu usage.

Tim
www.xilo.net & freenetname
Billion 7800 on 24 Meg LLU
http://www.thinkbroadband.com/speedtest/results.html...
Standard User micksharpe
(legend) Sat 03-Sep-16 16:24:41
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Re: Win 10 high idle cpu after update


[re: RobertoS] [link to this post]
 
I didn't know that it had been improved so much. cool
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