This registry file fixes the very broken search function in XP - by default, only known file types are searched, so, if a folder has files with extensions that do not have file associations registered with XP, they will not be searched for the desired text string - and, you won't be told about the files that weren't searched! I've spent countless minutes trying to figure out why a file wasn't found when I know it's in a folder somewhere...

Background info:read more »

• Search for All File Types (Windows XP) - Winguides.com
• Microsoft's info on the registry mod