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How to clean up a damaged COM+ catalog

1. Rename the %WinDir%\System32\Clbcatq.dll file to %WinDir%\System32\~Clbcatq.dll. Make sure that you include the tilde (~) at the start of the file name.
2. Restart the computer.
3. Start Registry Editor (Regedt32.exe).
4. Locate and delete the following key in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\COM3
5. At a command prompt, type cd %windir%, and then press ENTER.
6. At a command prompt, type rmdir /s Registration, and then press ENTER. This is the location folder of the registration database.

Note If you have MS04-012 installed, you must now re-install MS04-012. For more information about security update MS04-012, click the following article number to view the article in the Microsoft Knowledge Base:
828741 (http://support.microsoft.com/kb/828741/) MS04-012: Cumulative Update for Microsoft RPC/DCOM
7. Click the Start button, point to Settings, and then click Control Panel.
8. Double-click Add/Remove Programs, and then click Add/Remove Windows Components.
9. Click Next to go through the reinstallation process, to reinstall COM+.
10. If IIS is installed on the computer, IIS creates several COM+ applications. These applications will now be missing. To re-create these applications, run the following command at a command prompt:
rundll32 %windir%\system32\inetsrv\wamreg.dll, CreateIISPackage

 

 

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