Pentaho 5: Repository connection window not showing up - pentaho

I am able to open a Pentaho version 5 Spoon session on my new laptop but when I clicked on Tools -> Repository -> Connect, nothing comes up (no connection window).
However, I am using the same executable on my old laptop and there its working without any issues. I have also downloaded a fresh executable of version 5 on my new laptop but it didn't work as well. I am wondering what could be causing this.
Any pointers will be very helpful.
Thanks.

As suggested by #Working Hard.. in the comments, I installed jdk8 (I was using jdk10 earlier) and created a new environment variable PENTAHO_JAVA_HOME as explained in the below URL and added the path accordingly.
https://help.pentaho.com/Documentation/5.2/0F0/0G0/020
Regards,
Sachin

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