PRB: Cannot Expand "My Computer" in Component Services MMC Snap-In (301919)
The information in this article applies to:
This article was previously published under Q301919 SYMPTOMSIMPORTANT: 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 When you open the Component Services Microsoft
Management Console (MMC) in Microsoft Windows 2000 and click to expand the Component Services and Computers nodes, you may receive the following error message:
Catalog error - An error occurred while processing the
last operation: 80040154, Class not registered. In addition, you may
encounter the following symptoms:
- Some or all Active Server Pages (ASP) pages stop responding
(hang) or cause 100 percent CPU utilization when they run in Medium or High
application protection.
- The same ASP pages will work if the Web site is placed in
Low application protection (for example, the Inetinfo.exe process).
- If you click Start, point to Programs, click Administrative tools, and then click Component Services, it does not open.
RESOLUTION To resolve this problem, reinstall Component Services as
follows:
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.
- Open registry editor, locate HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\COM3, and then delete this key.
- From the Start menu, point to Settings, click Control Panel, and then click Add/Remove Programs.
- Click Add/Remove Windows Components.
- Proceed through the wizard, and accept all of the
defaults.
- Restart the computer.
REFERENCESFor additional
information, click the article number below to view the article in the
Microsoft Knowledge Base: 246499 PRB: COM+ Setup Problems While Upgrading to Windows 2000
Modification Type: | Minor | Last Reviewed: | 3/24/2003 |
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Keywords: | kbprb kbSysAdmin KB301919 |
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