How To:
Incomplete Add/Remove in Win 2000
In Windows 2000, lots of Windows components are missing from the Add/Remove Windows Componets tab of the Add/Remove Program applet in Control Panel.  For example, you cannont uninstall Pinball or accessibility functions.
To restore the ability to uninstall these programs, open the file c:\windows\inf\sysoc.inf in WordPad or your wordprocessor and delete every occurence of the term HIDE.
Change Program installation defaults
In the registry change:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
CommonFilesDir
ProgramFilesDir
To the desired location
Virus hoaxes
http://securityresponse.symantec.com/avcenter/venc/data/jdbgmgr.exe.file.hoax.html