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How To Fix High Cpu Usage Windows Xp

rmcinnes
  • #ane
In Windows XP, one instance of schost.exe was consuming 100% of CPU time, making my notebook virtually useless.

There are a lot of suggestions published on the Web for Windows Vista, 7, 8, and 10, but little specific to Windows XP, so for Windows XP Users, here is my recommendation:

It took me a while to figure information technology out for Windows XP, but ultimately, I found the solution:
Disable Automated Updates [wuauserv] in Services.

For Windows XP Users, here is the detail:
Start, Run, services.msc, and select Automatic Updates, right click, and select Properties to display the item.
The Service name is: wuauserv,
Ready the Services: to Stop, and Startup type: to Disabled.
Your PC volition immediately snap back from 100% to a normal CPU load.

Note: this is one of several services running under this one instance of svchost.exe,
To meet what else this instance of schost.exe is doing, open Command Prompt, and type: taskslist /svc.

You can identify the Chore PID of the offending instance of svchost.exe via Windows Task Director [type Ctrl Alt Del],
Select: View, Processes, and sort past Epitome Proper name to see a list of all instances of schost.exe [from all the other tasks running at the time]
If PID is not visible...
Select: Columns, and tick PID (Process Identifier), CPU Usage, and CPU Time, Memory Usage, Session ID, and User Name.
The offending instance of schost.exe volition be using close to 100% CPU.

Use your PC ordinarily.
svchost.exe (wuauserv) should not kick in once again.

When convenient, confirm that svchost.exe (wuauserv) does not kick in again after a Reboot
(Typically, before beingness disabled, svchost.exe (wuauserv) is prepare with a delayed start up of up to an hour, so keep your figures crossed until then)

geofelt
Oct 9, 2006
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  • #2
Sounds like you are running windows update.
My suggestion is to turn off windows update entirely.
The default will be to check for updates which volition happen daily.
At that place are some bug with high utilization.
I tried to gear up information technology for my son's windows vii with utterly no success.
I decided to plow off windows update altogether.
At present, I plough it off also on my windows 7 pc.
On occasion, when I make up one's mind to check, I outset take a system checkpoint before turning it back on.

Since in that location are no more functional updates for XP or windows y, there is no real need. Secdurity updates for your antivirus should be unaffected.

rmcinnes
  • #3
geofelt,
Even with Automated Updates turned Off, in...
Outset, Control Panel, Security Centre, Automated Updates, Turn off Automated Updates,
the service continued to kicking in, rendering my Windows XP united nations-usable.
Security Centre does show Automated Updates is turned off, so the setting sticks there, just does not terminate it.

I had to resort to services.msc to disable the service, and the setting sticks, after multiple Reboots,
wake from Standby, or Hibernate, and Wake on Network Admission works for the the beginning time in years.

Windows XP is running amend than it has for ages, responsive and very useable...
0 to 1% CPU usage when idle, and 140 MB of free memory (Sony PCG-XE17 is maxed out at 256 MB)
Am very happy, in that location a many more years of usability in this beautiful circa 2000 notebook.

Prior to this debacle, I was regularly seeing Windows XP Updates from Microsoft, the last in September 2016.
ESET NOD32 Version nine provides depression overhead but very solid protection.

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Source: https://forums.tomshardware.com/threads/windows-xp-svchost-exe-consuming-100-cpu.2902369/

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