Do you have XP Pro or Home Edition? If you have Home Edition there's not
much you can do. If you have XP Pro, look into the Group Policy Editor.
Please see the following Knowledge Base Article for information and help
with regard to this feature:
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q307882
NOTE: the Group Policy Editor is not available in XP Home Edition.

Signature
Michael Solomon MS-MVP
Windows Shell/User
Backup is a PC User's Best Friend
DTS-L.Org: http://www.dts-l.org/
> how do i configure each account's access to software on the computer? for
> example i'd like one user to have access to msn messenger and another not
> to, or one user to have internet access and another not to