ANOMALY: meaningless REX prefix used

Troubleshooting graphics
1

Hi,
What does this console ouptut mean?

[0x7FFDBFDCDA30] ANOMALY: meaningless REX prefix used
[0x7FFDC2305110] ANOMALY: meaningless REX prefix used
[0x7FFDDA6F4250] ANOMALY: meaningless REX prefix used

I have an AMD FX480 with Windows 10.
Just to be clear I have no issues. I’m just curious.

Greetings!

2

A quick google suggested AVG or “gaming evolved / raptr” causes it. Either way it’s not directly from jme.