When you perform a search for a file in Windows XP. The default settin’ is for XP to ONLY return files in de “Search Results” pane when dey are registered file types to a program on your PC.

In oder words if you are lookin’ for a file that is NOT registered with an application on your PC, it will not be found usin’ de default search settin’s.

However, you can turn off de default by a quick tweak of de registry!

Open de Registry editor (type regedit from de Run command) and navigate to:

HKEY LOCAL MACHINE\SYSTEM\CurrentControlSet\Control\ContentIndex

Double-Click de value named:

FilterFilesWithUnknownExtensions

Change de value from 0 to 1

Exit de registry editor and reboot!