DOCUMENT:Q175969 13-MAR-1999 [exchange] TITLE :XCLN: NT Client Generates Application Error, Exception PRODUCT :Microsoft Exchange PROD/VER:WinNT:5.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Windows NT client, version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== The Microsoft Exchange Windows NT client, version 5.0 may generate an access violation when manipulating a message. CAUSE ===== The Windows system can return a NULL pointer to a MENU ID that the client will attempt to access. This circumstance is dependant on strict timing and requires a number of events to occur in such an order that the MENU ID of the object being accessed has since been released by Windows. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange Windows NT client, version 5.0. A supported fix is now available, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information. MORE INFORMATION ================ The problem can be reproduced only on a random basis. The following is an example of the commands used to reproduce the problem. 1. User1 sends a message with an Word attachment to User2. 2. User2 opens the message and opens the attachment in Word. 3. User2 closes the attachment. 4. User2 atempts to reply to User1. 5. An application error will occur and if the system has the symbols loaded, the DrWtsn32.log will indicate the last function accessed was NoteWndMenuSelect. Additional query words: crash AV watson ====================================================================== Keywords : Technology : kbExchangeSearch kbExchangeClientSearch kbZNotKeyword2 kbZNotKeyword3 kbExchange500NT Version : WinNT:5.0 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.