Windows 10: When task manager is open, shows that CPU is at 90% for a split second but then goes back...

Discus and support When task manager is open, shows that CPU is at 90% for a split second but then goes back... in AntiVirus, Firewalls and System Security to solve the problem; Whenever I open my task manager, I see for a split second that my CPU is at +90% and that task manager itself skyrockets and settles down. However when... Discussion in 'AntiVirus, Firewalls and System Security' started by Bob44_678, Mar 16, 2019.

  1. BOB44_678
    Bob44_678 Win User

    When task manager is open, shows that CPU is at 90% for a split second but then goes back...


    Whenever I open my task manager, I see for a split second that my CPU is at +90% and that task manager itself skyrockets and settles down. However when I'm using Process Monitor, there's no sign of my CPU jumping up that high. I've run scans using Trend Micro and have found no issues. Is this a bug or some sort of virus that's not being detected?

    :)
     
    Bob44_678, Mar 16, 2019
    #1
  2. SHAUNBARCLAY
    ShaunBarclay Win User

    PC immediately hangs when opening Task Manager and has to be restarted

    So in the last few days whenever i open Task Manager it shows CPU usage at 100% and Task Manager is always at the top when i filter by CPU usage. System becomes unresponsive and when i click lose on a window it disappears for a split second then reappears.
    Only happens if i go to open task manager.
     
    ShaunBarclay, Mar 16, 2019
    #2
  3. GANESHS2
    GaneshS2 Win User
    Opening Task Manager Changes CPU Usage from 100% -> Normal (Windows 10). [SOLVED]

    I could maybe buy that the processor might spike to 100% for a moment while opening task manager. But that still doesn't explain why the processor is running at 100%
    before I open it. Mind that the computer is just idle. If I leave task manager open my CPU never goes over 5% while idle which definitively shows that having task manager open is preventing the CPU from going over.
     
    GaneshS2, Mar 16, 2019
    #3
  4. BREE
    Bree Win User

    When task manager is open, shows that CPU is at 90% for a split second but then goes back...

    Task Manager shows single CPU


    Windows 7 used to show a CPU graph for each processor in Task Manager, but 10 by default shows just one graph for overall CPU utilisation. You can show separate CPU graphs in Task Manager if you wish, right-click on the graph and select Change graph to > Logical processors.
     
    Bree, Mar 16, 2019
    #4
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When task manager is open, shows that CPU is at 90% for a split second but then goes back...

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