here's what you need to do...but she cant do it over the phone etc.
make a w98 bootdisk..or download one from
www.bootdisk.com or a winME bootdisk for that matter.....but it needs to have some room left on it...cuz you need to put "scanreg.exe" on it.
boot to the floppy...run "scanreg /restore"....that will let you restore the registry to an earlier date....as in , before she did whatever she did to it.
If she could boot to safe mode she could do "system restore"
JP