DOCUMENT:Q238262  11-DEC-2001  [winnt]
TITLE   :Err Msg: "STOP 0x00000050" in Terminal Server Edition
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0,4.0 SP4
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Windows NT Server versions 4.0, 4.0 SP4, Terminal Server Edition 
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SYMPTOMS
========

A computer running Terminal Server Edition may display the following STOP error
message on a blue screen:

   STOP 0x00000050 (a51be2ac, 00000000, 00000000, 801581a0)
   PAGE_FAULT_IN_NONPAGED_AREA

NOTE: The first and fourth parameters may vary, depending on your system
configuration.

CAUSE
=====

This behavior occurs because Win32k.sys passes a null pointer as the clipboard
object owner during a clean up process.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Windows NT Server
4.0, Terminal Server Edition. For additional information, please see the
following article in the Microsoft Knowledge Base:

   Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack


STATUS
======

Microsoft has confirmed this to be a problem in Windows NT Server 4.0, Terminal
Server Edition. This problem was first corrected in Windows NT 4.0 Server,
Terminal Server Edition, Service Pack 5.


Additional query words: wts tse

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Keywords          :  
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServ400sp4 kbNTTermServSearch
Version           : winnt:4.0,4.0 SP4
Issue type        : kbbug
Solution Type     : kbfix

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