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You receive a "Microsoft .NET Framework 1.1 Service Pack 1 (KB867460) cannot be installed " error message when you install the .NET Framework 1.1 Service Pack 1

SYMPTOMS
When you try to install the Microsoft .NET Framework 1.1 Service Pack 1 (SP1), you may receive the following error message:
Microsoft .NET Framework 1.1 Service Pack 1 (KB867460) cannot be installed because you have one or more hot fixes installed. Remove them and try again.
If you remove and reinstall the .NET Framework 1.1, you receive the same error message when you try to install the .NET Framework 1.1 SP1.

Note This behavior occurs when you try to install the .NET Framework 1.1 Service Pack 1 from Windows Update. It also occurs when you download the package from Microsoft Downloads and try to install it.
RESOLUTION
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows

To resolve this problem, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following subkey in the registry:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\.NETFramework\1.1\M827821
  3. On the Edit menu, click Delete.
  4. Click Yes to confirm that you want to delete the subkey.
  5. Exit Registry Editor.
  6. Run the Setup program for the .NET Framework 1.1 SP1 again.
MORE INFORMATION

Steps to reproduce the problem

  1. Determine that the M827821 registry subkey exists. To do this, follow these steps:
    1. Click Start, click Run, type regedit, and then click OK.
    2. Locate the M827821 subkey in the following subkey:
      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\.NETFramework\1.1
    3. Exit Registry Editor.
  2. Install the .NET Framework 1.1 SP1.
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
885055 How to obtain Microsoft .NET Framework 1.1 Service Pack 1
Properties

Article ID: 889109 - Last Review: 12/27/2004 22:59:30 - Revision: 1.2

  • Microsoft .NET Framework 1.1
  • kbtshoot kbbug kbinfo KB889109
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