Command (CMD) window popsup during jdk/jre installation on windows
Tested OS : windows
Tested Build : mustang build 59c
Steps to reproduce :

1. Install mustang jdk/jre build b59c
2. During installation it can be noticed that command window popsup with title "C:\WINNT\system32\javaw.exe.
This window is getting closed with in a few seconds by itself.
Image file attached.

This is a regression