When you select the User Accounts applet in Control Panel, Windows XP does NOT open it. You may receive an error that is similar to:
Wrong number of arguments or invalid property assignment
This behavior is the result of some .DLL files not being registered properly.
To resolve this issue:
1. Open a CMD.EXE windows.
2. Type the following commands, pressing Enter after each line:
Regsvr32 /S nusrmgr.cpl
Regsvr32 /S /i mshtml.dll
Regsvr32 /S themeui.dll
Regsvr32 /S Vbscript.dll</b>