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System Process Spiking


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#1
kteng

kteng

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The "SYSTEM" process in the task manager randomly spikes to ~25% CPU usage. It is almost always this number and when I play games, my FPS drops intermittently. I've already confirmed it is not a virus/malware problem. Also, I was able to grab the stack using Process Explorer:

ntkrnlpa.exe!KiSwapContext+0x2f
ntkrnlpa.exe!KiSwapThread+0x8a
ntkrnlpa.exe!KeWaitForSingleObject+0x1c2
ntkrnlpa.exe!KiSuspendThread+0x18
ntkrnlpa.exe!KiDeliverApc+0x124
hal.dll!HalpApcInterrupt+0xc6
hal.dll!HalRequestSoftwareInterrupt+0x3c
Ntfs.sys!NtfsFsdCreate+0x316
catchme.sys+0x2fb6
ntkrnlpa.exe!ObpLookupObjectName+0x53c
ntkrnlpa.exe!ObOpenObjectByName+0xea
ntkrnlpa.exe!IopCreateFile+0x407
ntkrnlpa.exe!IoCreateFile+0x8e
ntkrnlpa.exe!NtCreateFile+0x30
ntkrnlpa.exe!KiFastCallEntry+0xfc
ntkrnlpa.exe!ZwCreateFile+0x11
ntkrnlpa.exe!IoReleaseCancelSpinLock+0x11
ntkrnlpa.exe!KiSwapThread+0xac
ntkrnlpa.exe!ExpWorkerThread+0xef
ntkrnlpa.exe!PspSystemThreadStartup+0x34
ntkrnlpa.exe!KiThreadStartup+0x16
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#2
Ferrari

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Hi kteng,

I've already confirmed it is not a virus/malware problem.

Cleared by our malware forums? Or running a AV scan? Or what?

What process is spiking in Task Manager?
  • Right Click XP's Tool Bar
  • Select "Task Manager"
  • Click the "Processes" Tab
  • Does the "System Idle Process" drop from 99 to XX?
  • If so, What other process is running?
    i.e. System Idle process drops to 80, and avscan.exe
    jumps to 20 equaling 100, see?
Post what the file name is i.e. avscan.exe that is using the cpu
the most, post more than one if there is more than one.

Note: System Idle Process should relatively always remain at 99
when no other programs are actively running.


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