How to Fix a COM+ Catalog Error

1. Restart your computer in safe mode. As the computer reboots, tap 'F8' then select 'Safe Mode with Networking' when prompted.
2. Click the 'Start' menu button then 'Run.' Type 'cmd.exe' into the box then press 'Okay.' The administrator menu will appear.
3. Type 'ren %windir%\System32\Clbcatq.dll Clbcatq.dll.bak' then 'del %windir%\Registration\*.* /s' into the administrator menu. Exit the menu, then type 'regedit' into the 'Run' box. The registry editor will appear.
4. Delete the registry key 'HKEY_LOCAL_MACHINE \SOFTWARE \Microsoft \COM3' by right-clicking the file and selecting 'Delete.'
5. Restart your computer. Open 'cmd.exe' again and type 'rmdir /s %windir%\Registration' into the box.
6. Click the 'Start' menu button, 'Control Panel' and finally 'Add/Remove Programs.' Scroll through the list until you find 'Add/Remove Components.' Click on this then select 'Next.' COM+ will be reinstalled on your computer.
7. Restart your computer. The COM+ catalog error will now be gone.