You should fix the help and support center..
http://www.dougknox.com/index.html

And/or you can have her try:
Start button --> Run -->

%SYSTEMROOT%\system32\rcimlby.exe -LaunchRA

OK

Here's some more informatiuon on Remote assistance..

Overview of Remote Assistance in Windows XP
http://support.microsoft.com/kb/300546

Using Remote Assistance to Get Help When You Need It
http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/remoteassist/i
ntro.mspx

HOW TO: Obtain Remote Assistance Using Windows Messenger in Windows XP
http://support.microsoft.com/kb/306556/

Start a Remote Assistance Session from Windows Messenger
http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/remoteassist/v
iaim.mspx

HOW TO: Provide Remote Assistance In Response to Windows Messenger
Invitation in Windows XP
http://support.microsoft.com/kb/306800/

HOW TO: Obtain Remote Assistance by Sending an E-mail Message in Windows XP
http://support.microsoft.com/kb/306757/

HOW TO: Provide Remote Assistance in Response to an E-mail Invitation in
Windows XP
http://support.microsoft.com/kb/306791/

Start a Remote Assistance Session by Sending a File
http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/remoteassist/v
iafile.mspx

Step-by-Step Guide to Remote Assistance
http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/rmassist.mspx

Provide Remote Assistance When Using a NAT Device
http://www.microsoft.com/windowsxp/using/networking/learnmore/tips/jackson1.mspx

There are other options.. Tight/UltrVNC or LogMeIn - etc.