PLP install failed

[Sohum Sohoni]

I tried to install PLP 5.1 using the windows installer. After stepping through a couple of the steps, it gives me the error: Failed to detect a Java Runtime Environment! The obvious solutions seems to be getting the JRE installed, but I already have the latest: Version 8 Update 65.
Could someone point out what I'm missing here? This is on a Windows 7 Enterpise ASUS Zenbook.
I'm currently using a workaround where I've downloaded the 64-bit distribution for PLP and I launch the PLPToolStatic.jar to launch PLP. It's working fine, but I'd like to figure out the issue with the installer.
Sohum

[Sohum Sohoni]

It turns out that the problem was caused by an improper uninstall on my part. If anyone else faces the same problem, please make sure that you uninstall any previous PLP installs on your computer.

Sohum

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[Wira Mulia]

For reference, the installer checks the following registry keys to see if Java is installed and where it is located to generate the Start menu shortcuts:

HKLM\SOFTWARE\JavaSoft\Java Runtime Environment\CurrentVersion

HKLM\SOFTWARE\JavaSoft\Java Runtime Environment\[the detected version]\JavaHome

If these keys can't be read, that means Java is not properly installed, or something is wrong with the user's registry (e.g. CurrentVersion points to a version that does not exist on the host computer). Uninstalling and reinstalling Java, maybe also with the tried and tested method of rebooting your computer, should solve the problem. Also make sure to install the correct architecture for your computer's OS (32- or 64-bit)