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Process Dllhost.exe


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#1 RknRusty

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Posted 18 May 2008 - 09:51 PM

XP Home SP2.

I noticed C:\Windows\System32\dllhost.exe running in Process Explorer today. The file size is 5120kb; size and location are correct for this system file. I check the processes every day and this is a new one.

The "Com+ System Application" is set to manual in Administrative tools/Services. Windows updates ran yesterday, could that be a clue? The most recent program I have installed was ccleaner a couple of weeks ago(I don't use the registry feature :>). Would ccleaner call on this service?

Anyone know why this file might have recently started running?

Thanks,
Rusty

Edited by RknRusty, 18 May 2008 - 10:04 PM.


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#2 usasma

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Posted 19 May 2008 - 06:17 AM

Use this free program to see what's running within the dllhost.exe process: http://www.microsoft.com/technet/sysintern...ssExplorer.mspx

Right click on the dllhost.exe process and select Properties
Then click on the Threads tab and let us know the filenames that you find there.
If the only filename is dllhost.exe, then click on the Stacks button and let us know what's there.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

#3 RknRusty

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Posted 19 May 2008 - 10:50 AM

Thanks, usasma. I got the newer version of task manager. Here's what we have:

[attachment=5302:dllhost.jpg]

#4 usasma

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Posted 19 May 2008 - 03:20 PM

comsvcs.dll is associated with the COM+ System Application and it runs through the dllhost.exe
On my XP SP3 VM, if I start the service, dllhost.exe pops up in my Task Manager - so I think that this is the most likely reason for it.
Try stopping the COM+ System Application in services.msc and see if it goes away - if so, you've found the reason. When I stop the service on my system, the dllhost.exe instance disappears.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

#5 RknRusty

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Posted 19 May 2008 - 09:49 PM

comsvcs.dll is associated with the COM+ System Application and it runs through the dllhost.exe
On my XP SP3 VM, if I start the service, dllhost.exe pops up in my Task Manager - so I think that this is the most likely reason for it.
Try stopping the COM+ System Application in services.msc and see if it goes away - if so, you've found the reason. When I stop the service on my system, the dllhost.exe instance disappears.


That kills the process on mine too. maybe it was some change Windows Updates made this week. It doesn't seem too intrusive, so I'll leave it alone for now. If I get an urge to experiment, I'll disable the COM+ SysApp and see if any glitches occurr. Thanks for the assistance.

#6 usasma

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Posted 20 May 2008 - 06:19 AM

FYI - It's set to Manual on my system.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.




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