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External
Since: Feb 16, 2007
Posts: 3
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(Msg. 1) Posted: Thu Mar 08, 2007 2:14 am
Post subject: svchost.exe taking 100% CPU time
Archived from groups: microsoft>public>windowsxp>security_admin (more info?)
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Hi
I am using Windows XP Professional. Whenever my computer starts I find that
svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
time (close to 98%). I identify the process to be associated with audio
services. I have to end process and start the Windows Audio Services again.
The problem does not repeat until I restart my computer.
I suspect this is a malware activity but Windows Defender, Trend Micro
Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
AV-CLS in safe mode but they (it uses four different antivirus utilties) also
report no problems (so much for security in Windows).
Can anyone suggest me some solutions? Thanks for any help in advance. |
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External
Since: Jun 28, 2004
Posts: 269
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(Msg. 2) Posted: Thu Mar 08, 2007 1:51 pm
Post subject: Re: svchost.exe taking 100% CPU time [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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If you use Task Manager you can watch svchost spawn wuauclt either when
the system first starts up or when the system comes back from
Hibernation or Standby and see how much of CPU cycles are being taken
up. If svchost/wuauclt are hogging the CPU .....
Open the Services console and Stop, then Disable the Automatic Updates
service from loading at startup.
Restart the system.
Suggest you leave the AU service disabled for now and delete the
contents of WINDOWS\SoftwareDistribution\Download and
WINDOWS\SoftwareDistribution\DataStore\Logs along with the DataStor.ebd
located in DataStore
NOTE: Deleting DataStor.ebd and the logs will erase the update history
one sees on the Microsoft/Windows Update sites.
Then restart the AU service. This will temporarily cure the 100% CPU
useage ***IF*** the culprit is AU
MowGreen [MVP 2003-2007]
===============
*-343-* FDNY
Never Forgotten
===============
Apoorv Khurasia wrote:
> Hi
>
> I am using Windows XP Professional. Whenever my computer starts I find that
> svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
> time (close to 98%). I identify the process to be associated with audio
> services. I have to end process and start the Windows Audio Services again.
> The problem does not repeat until I restart my computer.
>
> I suspect this is a malware activity but Windows Defender, Trend Micro
> Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
> AV-CLS in safe mode but they (it uses four different antivirus utilties) also
> report no problems (so much for security in Windows).
>
> Can anyone suggest me some solutions? Thanks for any help in advance. |
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External
Since: Feb 16, 2007
Posts: 3
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(Msg. 3) Posted: Thu Mar 08, 2007 8:53 pm
Post subject: Re: svchost.exe taking 100% CPU time [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Hi MowGreen
If I delete my update history does that mean I will have to download and
install all the updates all over again?
"MowGreen [MVP]" wrote:
> If you use Task Manager you can watch svchost spawn wuauclt either when
> the system first starts up or when the system comes back from
> Hibernation or Standby and see how much of CPU cycles are being taken
> up. If svchost/wuauclt are hogging the CPU .....
>
> Open the Services console and Stop, then Disable the Automatic Updates
> service from loading at startup.
> Restart the system.
> Suggest you leave the AU service disabled for now and delete the
> contents of WINDOWS\SoftwareDistribution\Download and
> WINDOWS\SoftwareDistribution\DataStore\Logs along with the DataStor.ebd
> located in DataStore
> NOTE: Deleting DataStor.ebd and the logs will erase the update history
> one sees on the Microsoft/Windows Update sites.
>
> Then restart the AU service. This will temporarily cure the 100% CPU
> useage ***IF*** the culprit is AU
>
> MowGreen [MVP 2003-2007]
> ===============
> *-343-* FDNY
> Never Forgotten
> ===============
>
>
> Apoorv Khurasia wrote:
>
> > Hi
> >
> > I am using Windows XP Professional. Whenever my computer starts I find that
> > svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
> > time (close to 98%). I identify the process to be associated with audio
> > services. I have to end process and start the Windows Audio Services again.
> > The problem does not repeat until I restart my computer.
> >
> > I suspect this is a malware activity but Windows Defender, Trend Micro
> > Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
> > AV-CLS in safe mode but they (it uses four different antivirus utilties) also
> > report no problems (so much for security in Windows).
> >
> > Can anyone suggest me some solutions? Thanks for any help in advance.
> >> Stay informed about: svchost.exe taking 100% CPU time |
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External
Since: Dec 28, 2003
Posts: 21
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(Msg. 4) Posted: Thu Mar 08, 2007 9:51 pm
Post subject: Re: svchost.exe taking 100% CPU time [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Absolutely NOT. It's the history, which update was installed on what
date, that's being deleted, not the actual updates themselves.
MowGreen [MVP 2003-2007]
===============
*-343-* FDNY
Never Forgotten
===============
Apoorv Khurasia wrote:
> Hi MowGreen
>
> If I delete my update history does that mean I will have to download and
> install all the updates all over again?
>
> "MowGreen [MVP]" wrote:
>
>> If you use Task Manager you can watch svchost spawn wuauclt either when
>> the system first starts up or when the system comes back from
>> Hibernation or Standby and see how much of CPU cycles are being taken
>> up. If svchost/wuauclt are hogging the CPU .....
>>
>> Open the Services console and Stop, then Disable the Automatic Updates
>> service from loading at startup.
>> Restart the system.
>> Suggest you leave the AU service disabled for now and delete the
>> contents of WINDOWS\SoftwareDistribution\Download and
>> WINDOWS\SoftwareDistribution\DataStore\Logs along with the DataStor.ebd
>> located in DataStore
>> NOTE: Deleting DataStor.ebd and the logs will erase the update history
>> one sees on the Microsoft/Windows Update sites.
>>
>> Then restart the AU service. This will temporarily cure the 100% CPU
>> useage ***IF*** the culprit is AU
>>
>> MowGreen [MVP 2003-2007]
>> ===============
>> *-343-* FDNY
>> Never Forgotten
>> ===============
>>
>>
>> Apoorv Khurasia wrote:
>>
>>> Hi
>>>
>>> I am using Windows XP Professional. Whenever my computer starts I find that
>>> svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
>>> time (close to 98%). I identify the process to be associated with audio
>>> services. I have to end process and start the Windows Audio Services again.
>>> The problem does not repeat until I restart my computer.
>>>
>>> I suspect this is a malware activity but Windows Defender, Trend Micro
>>> Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
>>> AV-CLS in safe mode but they (it uses four different antivirus utilties) also
>>> report no problems (so much for security in Windows).
>>>
>>> Can anyone suggest me some solutions? Thanks for any help in advance. >> Stay informed about: svchost.exe taking 100% CPU time |
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External
Since: Feb 16, 2007
Posts: 3
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(Msg. 5) Posted: Fri Mar 09, 2007 12:57 am
Post subject: Re: svchost.exe taking 100% CPU time [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Thanks a lot!!! That did the trick. Disabled AU, deleted the update history
and restarted the service. Now my computer boots faster and loads faster.
Thanks a lot once again.
"MowGreen" wrote:
> Absolutely NOT. It's the history, which update was installed on what
> date, that's being deleted, not the actual updates themselves.
>
> MowGreen [MVP 2003-2007]
> ===============
> *-343-* FDNY
> Never Forgotten
> ===============
>
>
>
> Apoorv Khurasia wrote:
> > Hi MowGreen
> >
> > If I delete my update history does that mean I will have to download and
> > install all the updates all over again?
> >
> > "MowGreen [MVP]" wrote:
> >
> >> If you use Task Manager you can watch svchost spawn wuauclt either when
> >> the system first starts up or when the system comes back from
> >> Hibernation or Standby and see how much of CPU cycles are being taken
> >> up. If svchost/wuauclt are hogging the CPU .....
> >>
> >> Open the Services console and Stop, then Disable the Automatic Updates
> >> service from loading at startup.
> >> Restart the system.
> >> Suggest you leave the AU service disabled for now and delete the
> >> contents of WINDOWS\SoftwareDistribution\Download and
> >> WINDOWS\SoftwareDistribution\DataStore\Logs along with the DataStor.ebd
> >> located in DataStore
> >> NOTE: Deleting DataStor.ebd and the logs will erase the update history
> >> one sees on the Microsoft/Windows Update sites.
> >>
> >> Then restart the AU service. This will temporarily cure the 100% CPU
> >> useage ***IF*** the culprit is AU
> >>
> >> MowGreen [MVP 2003-2007]
> >> ===============
> >> *-343-* FDNY
> >> Never Forgotten
> >> ===============
> >>
> >>
> >> Apoorv Khurasia wrote:
> >>
> >>> Hi
> >>>
> >>> I am using Windows XP Professional. Whenever my computer starts I find that
> >>> svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
> >>> time (close to 98%). I identify the process to be associated with audio
> >>> services. I have to end process and start the Windows Audio Services again.
> >>> The problem does not repeat until I restart my computer.
> >>>
> >>> I suspect this is a malware activity but Windows Defender, Trend Micro
> >>> Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
> >>> AV-CLS in safe mode but they (it uses four different antivirus utilties) also
> >>> report no problems (so much for security in Windows).
> >>>
> >>> Can anyone suggest me some solutions? Thanks for any help in advance.
> >> Stay informed about: svchost.exe taking 100% CPU time |
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External
Since: Jun 28, 2004
Posts: 269
|
(Msg. 6) Posted: Fri Mar 09, 2007 2:09 pm
Post subject: Re: svchost.exe taking 100% CPU time [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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You're mowst welcome Apoorv. Glad to hear that the issue is gone for
now. If it reappears before MS releases a fix, just do the same steps. <w>
MowGreen [MVP 2003-2007]
===============
*-343-* FDNY
Never Forgotten
===============
Apoorv Khurasia wrote:
> Thanks a lot!!! That did the trick. Disabled AU, deleted the update history
> and restarted the service. Now my computer boots faster and loads faster.
>
> Thanks a lot once again.
>
> "MowGreen" wrote:
>
>
>>Absolutely NOT. It's the history, which update was installed on what
>>date, that's being deleted, not the actual updates themselves.
>>
>>MowGreen [MVP 2003-2007]
>>===============
>> *-343-* FDNY
>>Never Forgotten
>>===============
>>
>>
>>
>>Apoorv Khurasia wrote:
>>
>>>Hi MowGreen
>>>
>>>If I delete my update history does that mean I will have to download and
>>>install all the updates all over again?
>>>
>>>"MowGreen [MVP]" wrote:
>>>
>>>
>>>>If you use Task Manager you can watch svchost spawn wuauclt either when
>>>>the system first starts up or when the system comes back from
>>>>Hibernation or Standby and see how much of CPU cycles are being taken
>>>>up. If svchost/wuauclt are hogging the CPU .....
>>>>
>>>>Open the Services console and Stop, then Disable the Automatic Updates
>>>>service from loading at startup.
>>>>Restart the system.
>>>>Suggest you leave the AU service disabled for now and delete the
>>>>contents of WINDOWS\SoftwareDistribution\Download and
>>>>WINDOWS\SoftwareDistribution\DataStore\Logs along with the DataStor.ebd
>>>>located in DataStore
>>>>NOTE: Deleting DataStor.ebd and the logs will erase the update history
>>>>one sees on the Microsoft/Windows Update sites.
>>>>
>>>>Then restart the AU service. This will temporarily cure the 100% CPU
>>>>useage ***IF*** the culprit is AU
>>>>
>>>>MowGreen [MVP 2003-2007]
>>>>===============
>>>> *-343-* FDNY
>>>>Never Forgotten
>>>>===============
>>>>
>>>>
>>>>Apoorv Khurasia wrote:
>>>>
>>>>
>>>>>Hi
>>>>>
>>>>>I am using Windows XP Professional. Whenever my computer starts I find that
>>>>>svchost.exe is taking huge amount of memory (some 100MB) and a lot of CPU
>>>>>time (close to 98%). I identify the process to be associated with audio
>>>>>services. I have to end process and start the Windows Audio Services again.
>>>>>The problem does not repeat until I restart my computer.
>>>>>
>>>>>I suspect this is a malware activity but Windows Defender, Trend Micro
>>>>>Office Scan and ZoneAlarm Pro are clueless about it. I also tried using
>>>>>AV-CLS in safe mode but they (it uses four different antivirus utilties) also
>>>>>report no problems (so much for security in Windows).
>>>>>
>>>>>Can anyone suggest me some solutions? Thanks for any help in advance.
>> >> Stay informed about: svchost.exe taking 100% CPU time |
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