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The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
After you install Trend Micro OfficeScan 8 on a computer that is running Microsoft Windows 2000 Server or Windows Server 2003, the computer may gradually become less responsive. Eventually, the computer may stop responding.
This problem occurs because a leak occurs in the system non-paged memory pool. Non-paged kernel mode memory usage may increase until the memory is exhausted. If you analyze the non-paged pool tags, you see that the Ddk pool tag is the largest consumer of the non-paged pool. The Ddk pool tag is the default tag for driver-allocated memory.
Trend Micro is aware of this issue and has released a hotfix for it. To resolve this problem, install this hotfix.
For more information about this hotfix, visit the following Trend Micro Web page:
OfficeScan 8.0 causes memory leak on servers (Solution ID: 1035794)
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To work around this problem, follow these steps:
Uninstall Trend Micro OfficeScan.
Restart the computer.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.