Updated nano firmware using Arduino ide windows 10. Weird symbols in LightBurn

I updated my nano firmware to grbl 1.1f. Now a pause happens during the project for no reason. Plus unknown symbols on the comms…

That looks like a communication error, like the baud rate is incorrect, maybe. Either that or something is corrupted on that firmware.

Thanks, not a simple task to update firmware. I’m going to delete Arduino windows store and start over.

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