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Microsoft KB Archive/247515

From BetaArchive Wiki

Article ID: 247515

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition



This article was previously published under Q247515

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry


SYMPTOMS

After you install a program on your computer, the program is not listed in the Add/Remove Programs tool in Control Panel. Also, other programs that are installed on your computer and that were previously listed in Add/Remove Programs may no longer be listed.

CAUSE

This problem can occur if the program you installed creates a registry key name that is longer than 60 characters in length. Add/Remove Programs only lists program names it locates up to the point it encounters this situation.

RESOLUTION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To work around this problem, use one of the following methods:

Uninstall the Program

The installation program may detect that this program is already installed on your computer and provide an option to uninstall it. When this program is removed, the other missing programs in Add/Remove Programs are listed again.

Run the Uninstall Program Included in the Uninstall Folder

Some programs create a folder under the Winnt folder that contains a "$" character at the start and end of the folder name. This folder may contain an uninstall program that you can run to remove the program you previously installed on your computer. Note that these folders are usually hidden, and that you may need to configure Windows Explorer to view hidden files and folders. To do so, right-click Start, click Explore, click Options on the View menu, and then click Show all files.

Use the Uninstall Command Displayed in the Registry

  1. Use Registry Editor (Regedit.exe) to view the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

  2. Double-click the UninstallString registry value, copy the contents of the Value Data box by selecting the contents and pressing CTRL+C, and then quit Registry Editor.
  3. Click Start, click Run, press CTRL+V to paste the uninstall command, and then click OK.

Shorten the Registry Key Name

Run Regedit.exe to view the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall


Click the registry key for the program you installed, click Rename on the Edit menu, and then use a name with less than 60 characters. Note that if the DisplayName value is longer than 32 characters, it is not displayed. To rename it, double-click DisplayName and use a name up to 32 characters in length.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

Programs are sorted alphabetically within the Uninstall registry key, and any keys listed after the long key name are ignored.

Keywords: kbprb KB247515