v234 release notes stated that Hijack settings need to be reset. This is because Mark hijacked more flash memory for saving settings (A Good Thing), but in the process the memory map changed, so your previous settings are garbled.

You would have seen a "Hijack Settings Lost" message on the screen at first boot.

Just go through and reapply the settings and you'll be all set.
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Mk2a 60GB Blue. Serial 030102962 sig.mp3: File Format not Valid.