VM crashes after setting file associations in Eclipse 3.2

FULL PRODUCT VERSION :
java version "1.6.0"
Java(TM) SE Runtime Environment (build 1.6.0-b105)
Java HotSpot(TM) Client VM (build 1.6.0-b105, mixed mode, sharing)

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

EXTRA RELEVANT SYSTEM CONFIGURATION :
SP2
all updates form microsoft.com installed

A DESCRIPTION OF THE PROBLEM :
Eclipse 3.2 crashes after changing File associations

Indices:
- this crash happens only on my machine. we have tested it on serveral others

Remark:
I have had this bug with JRE 1.5. On testing with JRE 1.6 RC1 -> the bug did not occur any more now with JRE 1.6 the bug occurrs again

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
The bug occurrs when using Eclipse 3.2.2: buildId=M20070212-1330

Steps to reproduce the crash:
- newly installed eclipse, no workspace
- Start eclipse
- Open Window -> Preferences -> General -> Editors -> File Associations
- Select *.html
- Remove associated editor "Web Browser"
- Add internal Editor: Text Editor
- Ok
- File -> New -> Project -> Java Project -> next
 -> VM crashes: see attachment with log-file


ERROR MESSAGES/STACK TRACES THAT OCCUR :
Attached seperatly


REPRODUCIBILITY :
This bug can be reproduced always.