OPERATING SYSTEM(S):
Windows Vista Enterprise

FULL JDK VERSION(S):
java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode)
                
DESCRIPTION:

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Note that the OS is Windows Vista, not Windows XP
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Steps to reproduce:

1. Install sun jdk 1.6.0-b105
2. Go to %JAVA_HOME%\lib
3. Run the command below to launch HtmlConverter:
    >java -jar htmlconverter.jar -gui
4. Choose c:\ in "Specify a file or directory path" option
5. Select "Include Subfolders" option
6. Now click on "convert"


OBSERVED RESULT:
A NullPointerException will be thrown.

EXPECTED RESULT:
A NullPointerException should not be thrown.