Where Zoo take info on installed features

[AlexOrphan Profile]

I have "Java SE Development Kit 7 (JDK)" installed in Zoo "engines", but I don't know where system take this info.

I have installed "Java SE Development Kit 7 Update 21 (64-bit)" in my OS (Windows 8 Pro x64), but when I uninstall it, in Zoo I still have Java installed.


How I can fix this problem?
How I can uninstall some installed Zoo features?

[Sergey]

It check JDK_HOME in registry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
Remove it and relaunch WPI

>How I can uninstall some installed Zoo features?
WPI can't uninstall products, so you need to remove features in standard-way: Add/Remove programs