2. Navigate to HKEY_CLASSES_ROOTlnkfile
If you find difficult in reaching this file location, simply Press Ctrl+F to open find window. Enter "IsShortcut" and click find. now Press f3 till you get the file Inkfile located at Hkey_Classes_RootInkfile
3. Delete the IsShortcut registry value.
You may need to restart Windows XP.