Error Upgrading to Windows NT 3.51 Service Packs

 Last reviewed: April 18, 1996
Article ID: Q149637
The information in this article applies to:
  • Microsoft Windows NT Workstation version 3.51
  • Microsoft Windows NT Server version 3.51

SYMPTOMS

When you run the Windows NT 3.51 Service Pack (1 to 4) UPDATE.EXE, the following error message appears: 

   An error has occurred. Invalid library procedure:
NOTE: A specific library procedure name appears. The procedure name differs each time you run UPDATE.EXE.

CAUSE

This problem occurs if PATCHDLL.DLL is in your path. PATCHDLL.DLL is used during the Service Pack upgrade, but it is removed after the upgrade. The Windows NT 3.51 Service Pack upgrade does not place the file in your path.

RESOLUTION

To correct this problem, rename or remove PATCHDLL.DLL from your path.

KBCategory: kbsetup
KBSubcategory: ntsetup
Additional reference words: 3.51 prodnt

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.

Last reviewed: April 18, 1996
©1997 Microsoft Corporation. All rights reserved. Legal Notices.