I'm seeing a similar effect on my Mk1 using V1.01.

It is not as frequent as you are currently observing, but it is repeating. It usually results in a lockup of the player.

I would suggest you observe it for a while longer, then report your findings to [email protected].

One of the few remaining Mk1 owners... #00015
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One of the few remaining Mk1 owners... #00015