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How do you reactivate Mathcad 13 with a corrupted license from a power outage
There is absolutely no way via PTC support to reactivate a licensed Mathcad version below 14 for any reason. Essentially, the program is hijacked for upgrading to a newer version.
It's true for 13 and below. I'm not sure about 14. If Mathcad 13 is on the same PC then the license file should still be valid though, so it should just be a case of pointing Mathcad to the license file.
