"A Required .dll File, Clusapi.dll, Was Not Found" When Running SP1 Update.exe (265440)


The information in this article applies to:

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows 98
This article was previously published under Q265440

SYMPTOMS

If you attempt to run the Windows 2000 Service Pack 1 (SP1) integrated installation command (update.exe /s:folder) while you are logged on to a computer that is running Windows 98, the following error message appears:
Error Starting Program
A required .dll file, Clusapi.dll, was not found.
If you attempt to run the integrated installation command from a computer that is running Windows NT 4.0, the following error message appears:
Update.exe - Entry Point Not Found
The procedure entry point VerifyCatalogFile could not be located in the dynamic link library Setupapi.dll.

RESOLUTION

To run the integrated installation command, you must be logged on to a computer that is running Windows 2000.

MORE INFORMATION

For additional information, see the integrated installation method that is documented in the Microsoft Windows 2000 Service Pack Installation and Deployment Guide for Windows 2000 Service Pack 1.
Modification Type:MinorLast Reviewed:12/20/2004
Keywords:kberrmsg kbprb kbsetup kbUpgrade w2000setup w2000upgrade KB265440
©2004 Microsoft Corporation. All rights reserved.