FULL PRODUCT VERSION :
java version "1.6.0_01"
Java(TM) SE Runtime Environment (build 1.6.0_01-b06)
Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
I attempted to open a file via java.awt.Desktop.getDesktop().open(File file).

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Install MagicIso from www.magiciso.com.
Try to launch any file using java.awt.Desktop.getDesktop().open(File file).

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The expected outcome was that the file be opened.
ACTUAL -
There was no indication that the JRE tried to open the file and no exception was thrown.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
try {
    Desktop.getDesktop().open(new File("C:\\ANYTHING"));
} catch (Exception e) {}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Uninstalling MagicIso resulted in the JRE opening files via java.awt.Desktop.getDesktop().open(File file) again.