Cannot access Add/Remove Window Components in Control Panel

Problem:
"I get an error message: Setup was unable to open information file netoc.inf.  Contact your system administrator." 
I am the sys admin. 
Possible Solution:

1. Insert the Windows XP CD 
2. Go to Start>> Run. Type in: Expand C:\i386\NETOC.IN_ -rC:\Windows\Inf   [Enter]

Note: C:\ is used if that is where Windows XP is installed.