I was trying to install an ADAM instance by going to Add / Remove Windows Components in a Windows Server 2003 deployment when I came across a "Setup library wbemupgd.dll could not be loaded, or function OcEntry could not be found. Contact your system administrator. The specific error code is 0x7e." Here is a picture of the error:
I found the following Microsoft Help and Support page and followed Method 2. Then I restarted Windows and everything worked correctly. Thanks Microsoft!