What is svchost.exe


TrainableMan

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Note: you can actually click on the "CPU" column heading to sort the processes by CPU usage. It will change quite often that way but if you scroll to the top (or bottom if your click set it to reverse order) you will see the processes actually using the most CPU. When it slows your computer, those utilizing high CPU are the ones to see about removing or scheduling at other times.
 
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svchost is a windows service - it is called by other programs so killing it does very little. You would need to find out what program is actually using it. Most likely it is your anti-virus software or google chrome, etc accessing the web for updates.
I've been running Chrome and my anti-virus since before WW 1 and it has only recently happened. Here's a screen with a large % svchost but what can I do apart from kill it? Should it be there???
 

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TrainableMan

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When you see a high CPU like that one, right-click on it & choose PROPERTIES. Then select the SERVICES tab and post a screenshot of the Services that svchost is performing.

For example Service "Schedule" runs "Task Scheduler" which triggers things at predefined times such as maybe your virus scanner's weekly run.

For the most part, killing a svchost simply delays the action; it will usually restart.
 

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