It shows in the log:
15:49:34 NwSapsAtlC 1 Variables-Script: Checking for JDK HOME
15:49:34 NwSapsAtlC 1W Variables-Script: JDK could not be detected!
15:49:34 NwSapsAtlC 1 Variables-Script: Checking for Jre HOME
15:49:34 NwSapsAtlC 1W Variables-Script: JRE could not be detected!
15:49:34 NwSapsAtlC 1 Script JRE6x86: Checking if Oracle JRE 1.6.0 (32 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE6x86: Oracle JRE 1.6.0 is not installed!
15:49:34 NwSapsAtlC 1 Script JRE6x64: Checking if Oracle JRE 1.6.0 (64 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE6x64: Oracle JRE 1.6.0 is not installed!
15:49:34 NwSapsAtlC 1 Script JRE7x86: Checking if Oracle JRE 1.7.0 (32 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE7x86: Oracle JRE 1.7.0 is not installed!
15:49:34 NwSapsAtlC 1 Script JRE7x64: Checking if Oracle JRE 1.7.0 (64 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE7x64: Oracle JRE 1.7.0 is not installed!
15:49:34 NwSapsAtlC 1 Script JRE8x86: Checking if Oracle JRE 1.8.0 (32 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE8x86: Oracle JRE 1.8.0 is not installed!
15:49:34 NwSapsAtlC 1 Script JRE8x64: Checking if Oracle JRE 1.8.0 (64 Bit) is installed
15:49:34 NwSapsAtlC 1 Script JRE8x64: Oracle JRE 1.8.0 is not installed!
Then further down...
JNet Script: Java Runtime Environment Current Version = 1.8
15:49:34 NwSapsAtlC 1 JNet Script: Determining the home folder for JNet
15:49:34 NwSapsAtlC 1 JNet Script: JreHomeForJNet left undefined because Java CurrentVersion key seems to be neither 1.7 nor 1.6.
Variables-Script: Checking for JRE HOME for Gantt
15:49:34 NwSapsAtlC 1 Scriptlet : Java Runtime Environment Current Version = 1.8
15:49:34 NwSapsAtlC 1 Scriptlet : Current Version = 1.8
15:49:34 NwSapsAtlC 1 Scriptlet : Minimal Version = 1.6
15:49:34 NwSapsAtlC 1 Scriptlet : Mininmal JRE Condition fulfilled.
15:49:34 NwSapsAtlC 1 Scriptlet : Searching for C:\Program Files (x86)\Java\jre1.8.0_25\bin\java.exe ...
Can you post a screenshot of your programs list in Windows 8 where the Java is installed?
Jude