as you know that windowsXP provides a outdated registry editor with outdated search option.
Please include a "Adavanced Registry Seacrch Tool" under the module "TOOL"
so that one may able to quickly search and edit the registry enrty.
in the search option there could be at least three option
1) type of Keys (HKCR/HKCU/HkLM/HKU/HKCC ETC.)
2) type of value (string data keys binary etc.)
3) match whole word/any word etc.
best wishes!!!
Ravi Kumar