Winlogon process

I seem many instances of Winlogon process running on my system at the same time. I though that gets executed only when I log on to the system. And that should be once. But I see many processes going on. Is it something unusual?
TheCommunicatorAsked:
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LazarusConnect With a Mentor Commented:
Research it, get Process Explorer. http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx It provides more information than Task Manager.
Normally you dont see more than one instance of Winlogon. You should also do a scan for virus. malware and rootkits as a norm to see if ther might be something else going on.
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LazarusConnect With a Mentor Commented:
BTW, it should the winlgon.exe should be running from: C:\Windows\System32
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NerdsNowConnect With a Mentor Commented:
It is normal for a single instance of Winlogon to be running continusly if there is several the first thing i would do is to doublecheck to make sure the is no type infection involved
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TheCommunicatorAuthor Commented:
Thanks for info but I downloaded the file from
 http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx

and the zip file contains only notepad file and the help file now Exe. i am not sure why.

Secondly, so out of your comments, should I conclude that windows 7 does not have any apparent reason to run the process until and unless that is a virus?
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LazarusConnect With a Mentor Commented:
Yes, check for Virus infections, more than one instance is not normal. Please look at the zip file you download again it should have 3 files in it. Eula.txt, procexp.chm and procexp.exe

http://download.sysinternals.com/Files/ProcessExplorer.zip
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TheCommunicatorAuthor Commented:
Thank you very much that helped :)
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LazarusCommented:
TheCommunicator, What did you find was the problem if we may ask?
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