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Explorer.exe Uses 99% Of CPU In One Windows Account

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Explorer.exe high CPU

ROGER POYNTS asked on January 22, 2013. Status: Answered & Closed.

Explorer.exe Uses 99% Of CPU In One Windows Account

» explorer.exe uses 99% of CPU for several minutes after opening any hard disk in the Windows explorer. explorer.exe stops using 99% of CPU if I close the Windows explorer window. This problem occurs only in my administrator account. Another administrator account does not have this problem. How to cure my account?Windows Search service is disabled.

Best Answer

» CPU power determines how fast the system functions and runs processes and programmes at the same time, without slowing down the system. Explorer.exe is an executable file in Windows which contains start menu, desktop, task bar and file manager and is essential for the good functioning of the Windows XP operating system. The idle CPU usage for the Windows XP operating system is between 0 and 1 percent.

It's normal to have spikes in high CPU usage. However, if there is a constant trend of high CPU usage, this can indicate a problem. Windows Task Manger is a great tool to track CPU usage. In the Windows Task Manager, click the Performance tab. This will display your CPU Usage History. This is the top of the iceberg, the critical problem is underneath. It is probably due to defects or viruses(TrojanDownloader:Win32/Hegel.F).

After being cleaned by the anti malware software, your machine has become messed up in the .exe file system, some .dll files can’t be found when you start a program or even the system. To solve this kind of issue, DLL Suite is created with one of its special tool called "Fix EXE Virus", which is specially targeted to fix virus infection problems, such as slow PC performance and system crash raised by virus. You just click this menu and click in Scan button, you’ll have faster pc and restore the performance.

KATHLEEN SOLOMON replied on January 28, 2013

All Answers:

  1. KAMILAH WILLIAMS replied on January 22, 2013: » Well since it happens in one account and not another I would suspect a start up program or service. Another possibility is a video driver that has different settings than are used on the other accounts - or some other device that is activated on this account. The fix for the errant driver would be to look manually at system maker and device maker's sites for newer drivers.

    How to Check and Change the Startup Programs in Vista:

    You might also compare services running to the Windows Defaults or those running in the other accounts.

    Start - type in Search box - Services - find at top of list - RIGHT CLICK - RUN AS ADMIN

  2. ROGER POYNTS replied on January 22, 2013: » There is no the problem when I start my computer in Safe Mode.

    The problem reappears when I start my computer in Diagnostic startup mode and in Selective startup with "Load system services" and "Load startup items" unchecked. The "Group Policy Client" service starts in the Diagnostic startup and in Selective startup modes with "Load system services" and "Load startup items" unchecked. Its imposible to stop the "Group Policy Client" service or disable it even in the Safe Mode. How to stop the "Group Policy Client" service?

    I change AVG service startup type from Automatic to manual. AVG service does not start.

  3. WILLIAM WALDMAN replied on January 23, 2013: » Another thing you can do is run MSCONFIG for both accounts - one at a time - and selectDiagnostic Startup - reboot and let the machine stabilize for a few minutes and then compareCPU and Process Explorer. If they are now the same you know for sure something is runningin yours normally that is not on theirs. Which could be a startup program, a service, or evena device. It is also possible they have turned off a feature of a program(s), such as AVG,which reduces CPU usage.

  4. ROGER POYNTS replied on January 26, 2013: » The Group Policy Client Service is stoped in Safe mode therefore the problem does not exist in the Safe mode. But I cannot change Group Policy Client Service startup mode from automatic to manual or disabled, therefore the problem exists in the diagnostic startup. The problem exists even when I uncheck all services. The Group Policy Client Service starts when I uncheck it in the msconfig. The Group Policy Client Service is the only service that starts when I uncheck all services. There are no startup programs, because I delete links to them in Startup folder and in the Run key in the Registry.

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