jdk created folder is not removed during jdk uninstallation

Tested OS : Windows
Tested build : mustang b87

Steps to reproduce :
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1. Install mustang jdk build 87 into any of the custom folder (for e.g., c:\java)
2. Make sure that the folder c:\java does not exist. Let the jdk installer create the java folder.
jdk1.6.0 is created under c:\java
3. Install the jre into the same folder (ie, c:\java\jre1.6.0)
4. Now uninstall jdk as well as jre
The folder c:\java is also removed along with jdk1.6.0 and jre1.6.0 which is expected behavior

5. Remove c:\java if exists
6. Install jdk into c:\java
7. Install jre into the default folder (ie, c:\program files)
8. Uninstall jdk as well as jre
The created java folder (ie, c:\java) is still available

Expected behavior :
c:\java folder should be removed as it is created by jdk installer
Machine details :
1) jlab424.india
vnc password : vnc
2) malathi.india
vnc password : abc123