You may not be able to apply SQL Server 2000 64-bit post SP4 hotfix build 8.0.2156 or a later build

After you use Microsoft Windows Installer 2.0 to apply a Microsoft SQL Server 2000 post Service Pack 4 (SP4) hotfix that is earlier than build 8.0.2156, you may not be able to apply SQL Server 2000 post SP4 build 8.0.2156 or a later build. Typically, this problem occurs when the following conditions

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