PC CPU is very high

Dear All
I notice my PC Win7 CPU is very high sometimes. Please see attached picture. These two lines can be deleted ? what is meaning ?
Thank you
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Dr. KlahnPrincipal Software EngineerCommented:
You can not delete either of these.

SnippingTool is the Windows program used to capture screenshots.  Since it was used to capture the screenshot, it was using CPU.

System Idle Process is not something that the system runs.  It is an indication of how much the system is not running.  If the system shows System Idle Process at 25%, then (100% - 25%) = 75% of the system is being used by other applications.  System Idle Process CPU use should normally be high, not low.

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Natty GregIn Theory (IT)Commented:
usually, virus, malware or trojan sucking up all your processors power.
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You need to "Show processes from all users" and post the new image to see what other processes are using up time.
eemoonAuthor Commented:
Thank you for your fast reply. How can I use "Show processes from all users" ?
At the bottom of Windows Task Manager there should be a button "Show processes from all users".
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Windows 7

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