Universal Media Server | Forum

Posted: **Sun Apr 26, 2026 10:23 pm**

Hi,
Just downloaded UMS 15.6.0 (MacOs arm) and getting the following message: "Unable to load Java Runtime Environment" The previous version (15.5.0) was ok, no problems. What is going on?
regards,
Hans

Posted: **Sat Aug 15, 2026 3:31 pm**

I just downloaded the software for my Mac Pro, and have the same issue.

Posted: **Tue Aug 18, 2026 2:02 am**

I don't know much about Macs but similar problems have usually been due to downloading the wrong version for the CPU architecture.

These are the current builds for MacOS

Download 15.7.0 for macOS ARM
For Macs sold from November 2020+

Download 15.7.0 for macOS x86_64
For Macs sold from June 2012 to October 2020

Download 15.7.0 for macOS x86_64 pre-10.15
For Macs sold before June 2012

Verify what you have and re-download.

Universal Media Server | Forum

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error message

Re: error message Java runtime

Re: error message