SQL Server could not spawn process_loginread thread

I searched for this on Microsoft.com.  All articles refered to pre-SP4 hot fixes, but we are running SP4, so I'm wondering if any one has any experience with this problem post-SP4.  I am using "sp_OA****" stored procedures on the server.
Any help would be appreciated, Thank You

Here is a copy/paste from an Application log entry on the server:
Event Type:      Error
Event Source:      MSSQLSERVER
Event Category:      (2)
Event ID:      17055
Date:            6/10/2008
Time:            1:32:29 PM
User:            N/A
Computer:      ORPTDB1
Description:
17120 :
SQL Server could not spawn process_loginread thread.


For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: e0 42 00 00 10 00 00 00   àB......
0008: 08 00 00 00 4f 00 52 00   ....O.R.
0010: 50 00 54 00 44 00 42 00   P.T.D.B.
0018: 31 00 00 00 00 00 00 00   1.......
curesearchAsked:
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curesearchAuthor Commented:
Thank you for the reference to that resource, it fixed our problem!
ghpapCommented:
The link above
http://dbakb.com/kb/memoryleak.ashx 
is a spam link and is not helpful
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