What does Timed out sending notification of target device change to window of "C:\WINDOWS\Explorer.EXE" mean?

Hello,

I have been getting this warning message every two minutes for the last half hour.

Timed out sending notification of target device change to window of "C:\WINDOWS\Explorer.EXE"

Does anyone have any ideas what it means?
Machine running Small business server 2003 service pack 2
Thanks,
chrisrandlemanAsked:
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mrwalker15Commented:
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chrisrandlemanAuthor Commented:
So you are saying that they can be safely ignored?

I'm not very comfortable with this...
thank you for responding so fast but i am going to need more of an answer

Thanks,
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mrwalker15Commented:
Can you post the event log error?

Thanks.
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chrisrandlemanAuthor Commented:
Event Type:      Warning
Event Source:      PlugPlayManager
Event Category:      None
Event ID:      257
Date:            11/5/2008
Time:            7:51:56 AM
User:            N/A
Computer:      SBS1
Description:
Timed out sending notification of target device change to window of "C:\WINDOWS\Explorer.EXE"

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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mrwalker15Commented:
This may be related to SBS as well.

http://support.microsoft.com/kb/924390
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chrisrandlemanAuthor Commented:
I can't take down the server during production hours

are there any other options?
It continues to happen ever 2 minutes
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mrwalker15Commented:
Sorry. I've run out of options for the moment.
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chrisrandlemanAuthor Commented:
Do you think it could be pointing towards a hard drive failure?

If so i could rebuild my hard drives becuase i'm running raid on my server

Thanks,
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chrisrandlemanAuthor Commented:
Well there error just stopped 4 hours ago?

I will give you the points for your very much appreciated suggestions

thanks,
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chrisrandlemanAuthor Commented:
And the error came back at noon today... every two minutes
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