To fix this, start REGEDIT.EXE and navigate to the key:
You can also do a search for this key to get there easily.
In this key, you will find the keys InProc32 and LocalServer32. In both of these keys, there is a default key. Change the default key to a empty string. Reboot your computer after making the change.
NOTE: Backup your computer and system registry before proceeding.
NOTE: This FAQ item is applicable only to Outlook Express, NOT Outlook.