From the NewtonTalk list there many on January 1, 2025 who found their Newtons with 2.x all showing a date from December 1990.   At current there is not a solution, but we do have one promising comment:
"Regarding the current issue, I think it is actually the Y2010 bug, the safe time window has come to an end: I set the fixed start date in the 711000 patch to Jan 1st 2008. Jan 4th 2025 (or to be more precise, 536870911 seconds later) things start to go wrong. In typical programmer fashion, I got this off by one, it wasn’t 2026 when the new patch is needed, but 2025.

I need to put the tools together to update the patch to pick a new safe start date (and set a reminder 17 years from that date). Hopefully that will do the trick, keeping fingers crossed it’s not a separate problem." Eckhart Köppen, writer of the 711000 patch.

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