w3wp.exe running high in CPU

Hi THere, My Intranet Server is running above 80% the w3wp.exe  process. How can I check what is causing this? I know it is needed by IIS but it has only started to behave like this since this morning. What is strange is that a Microsoft Update ran this moring, Could it be linked to it?

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MSAITAsked:
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inbarasanConnect With a Mentor Commented:
Dear MSAIT,
Check these article , It will help you in debugging the issue

http://support.microsoft.com/kb/919791
http://support.microsoft.com/kb/307340

You can also do iisreset once and check

Cheers!
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YurayConnect With a Mentor Commented:
there can be lots of possible reasons for this one of them for example:

http://support.microsoft.com/?id=264957

anyway the answer should be found in support.microsoft.com
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