There is a locked down windows environment where users cannot browse the local file-system as this has been disabled by group policy. However if we use a
java applet that has been constructed to look very similar to the windows file browser component (using JFileChooser), if we type c:\ into the file name box and press enter, the contents of the c:\ drive are displayed.
In this environment, if the same thing is attempted in any "true" windows dialogue the following mesage is displayed. "Access to the resource c:\ has been disallowed"
This is somehow related to java.security/java.policy files which I am not able to figure out. Please let me know if you have any clues.