The phenomenon occurred when upgrading Windows 7 from HomePremium to
Professional.

OS : Windows 7
JRE: JRE6 u15

Reproduction:
1. Upgrade Windows 7 HomePremium to Professional in which JRE 6 u15 is
installed.
2. Open Java Control Panel.
3. Select update tab.
4. Remove the check on [automatic update check].
5. Security warning message is displayed.
6. Click [not check].
7. Return to update tab and click [Done].
8. [Program Compatibility Assitant] is displayed and showed the
compatibility message about javacpl.exe "This program was detected not
being executed correctly."