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CPU running at 100% (very slow)


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16 replies to this topic

#1 cletismage

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Posted 19 August 2010 - 03:00 PM

The other day my Desktop restarted its self. When it restarted it showed a Blue Error screen for a split second and then rebooted. It the continued to constantly reboot as soon as it came the the XP welcome screen.

I then ran in safe mode and it ran fine. So then I went to reboot normal (not safe mode) and my CPU is constantly running at 100%. This doesnt happen in safe mode. I ran a full system scan with Avast and it came back clean.

Info:

System: Microsoft Windows XP
Home Edition
Version 2002
Service pack 3



Intel®
Celeron® CPU 2.70GHz
504 MB of RAM

I have not made any new installations or updates recently.

-Thank you so much for your time and effort-

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#2 hamluis

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Posted 19 August 2010 - 04:40 PM

Download/install BlueScreenView, http://www.nirsoft.net/utils/blue_screen_view.html.

Double-click BlueScreenView.exe file.

When scanning is done, Edit/Select All[/bl...then [b]File/Save Selected Items.

Save the report as BSOD.txt.

Open BSOD.txt in Notepad, copy all content and paste it into your next reply.

Louis

#3 MowGreen

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Posted 20 August 2010 - 05:33 PM

Is the system opted into Microsoft Update (MU) ? If it is, then there will be a shortcut to MU on the Start Menu.
Or, you can open Internet Explorer > click Tools on the Menu bar at the top > click Windows Update.

If the system goes to the MU site, this will show in the Address Bar - update.microsoft.com/microsoftupdate
If it's not, this will show in the Address Bar - update.microsoft.com/windowsupdate
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#4 Broni

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Posted 20 August 2010 - 06:53 PM

Also....

Download Process Explorer: http://technet.microsoft.com/en-us/sysinte...s/bb896653.aspx
Unzip ProcessExplorer.zip, and double click on procexp.exe to run the program.
Click on View > Select Colunms.
In addition to already pre-selected options, make sure, the Command Line is selected, and press OK.
Go File>Save As, and save the report as Procexp.txt.
Attach the file to your next reply.

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#5 cletismage

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Posted 23 August 2010 - 12:53 PM

This is the bluescreenview results:



==================================================
Dump File : Mini082310-01.dmp
Crash Time : 8/23/2010 1:28:26 PM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xee0c50ab
Parameter 3 : 0xf889a6fc
Parameter 4 : 0xf889a3f8
Caused By Driver : aec.sys
Caused By Address : aec.sys+620ab
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini082310-01.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

==================================================
Dump File : Mini081710-05.dmp
Crash Time : 8/17/2010 8:36:52 AM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xee005b37
Parameter 3 : 0xf88966fc
Parameter 4 : 0xf88963f8
Caused By Driver : aec.sys
Caused By Address : aec.sys+69b37
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini081710-05.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

==================================================
Dump File : Mini081710-04.dmp
Crash Time : 8/17/2010 8:01:58 AM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xee0cc0ab
Parameter 3 : 0xf88966fc
Parameter 4 : 0xf88963f8
Caused By Driver : aec.sys
Caused By Address : aec.sys+620ab
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini081710-04.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

==================================================
Dump File : Mini081710-02.dmp
Crash Time : 8/17/2010 1:36:36 AM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xee0ceb37
Parameter 3 : 0xf88966fc
Parameter 4 : 0xf88963f8
Caused By Driver : aec.sys
Caused By Address : aec.sys+69b37
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini081710-02.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

==================================================
Dump File : Mini081710-01.dmp
Crash Time : 8/17/2010 1:35:12 AM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xed902b37
Parameter 3 : 0xf88a2b54
Parameter 4 : 0xf88a2850
Caused By Driver : aec.sys
Caused By Address : aec.sys+69b37
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini081710-01.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

==================================================
Dump File : Mini081710-03.dmp
Crash Time : 8/17/2010 12:41:19 AM
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : 0xc0000005
Parameter 2 : 0xee0a6b37
Parameter 3 : 0xf88966fc
Parameter 4 : 0xf88963f8
Caused By Driver : aec.sys
Caused By Address : aec.sys+69b37
File Description :
Product Name :
Company :
File Version :
Processor : 32-bit
Computer Name :
Full Path : C:\WINDOWS\Minidump\Mini081710-03.dmp
Processors Count : 1
Major Version : 15
Minor Version : 2600
==================================================

#6 cletismage

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Posted 23 August 2010 - 12:56 PM

This is the address I got when I clicked windows update from the tools menu in IE:

http://www.update.microsoft.com/windowsupd...t.aspx?ln=en-us

#7 cletismage

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Posted 23 August 2010 - 01:03 PM

This is what I got from Process Explorer.

Attached Files



#8 hamluis

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Posted 23 August 2010 - 01:06 PM

Worth a look, http://www.lancelhoff.com/how-to-fix-stop-...rror-in-aecsys/ AND http://support.microsoft.com/kb/900485/en-us.

Louis

#9 Broni

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Posted 23 August 2010 - 01:18 PM

Also, I don't see any 100% CPU usage.
System Idle Process (CPU NOT used) is listed at 96.97%

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#10 cletismage

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Posted 23 August 2010 - 01:36 PM

um lol.... I just realized i ran it in safe mode. lol so sorry.. let me repost with correct results

#11 cletismage

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Posted 23 August 2010 - 01:52 PM

Here is the results for process explorer in normal windows mode. But the weird thing is for the first time since the initial rebooting problem the CPU seems to be fine!?! Well at least not at a constant 100%. This is odd.

Attached Files



#12 cletismage

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Posted 23 August 2010 - 01:53 PM

I rebooted into normal mode and every thing seems peachy. I did this earlier today and the cpu was still at 100%. I dont know why this reboot was different.

#13 Broni

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Posted 23 August 2010 - 02:02 PM

Gremlins?....

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#14 MowGreen

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Posted 23 August 2010 - 02:07 PM

Info:

System: Microsoft Windows XP
Home Edition
Version 2002
Service pack 3

This is the address I got when I clicked windows update from the tools menu in IE:

http://www.update.microsoft.com/windowsupd...t.aspx?ln=en-us

The system is not opted in to Microsoft Update. The file version of aec.sys that is included in Windows XP SP3 is Version 5.1.2601.3142, which is a higher Version than the one offerred by KB900485, which is Version 5.1.2601.2180.
Please check the Version number for aec.sys by showing hidden files, folders, and system files.
Then navigate to WINDOWS\system32\drivers, locate aec.sys, right click it, choose Properties, then click the Version tab.

What is the Version of aec.sys ?
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#15 cletismage

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Posted 23 August 2010 - 03:53 PM

here is the version of the aec.sys : 5.1.2601.3142




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