
On the Options menu, click Preferences;
In Preferences window, click Preview folder;
Click Mappings;
Click Add;
Enter your directory containing the files and the corresponding web server address,
for example, c:\apache\htdocs\ and http://localhost/
You do not need to map subdirectories;
Click OK to save settings.
and also tried c:\xampp\htdocs\ and c:\xampp\apache\htdocs with no luck. Any ideas?