I have been running the same 2019 setup for years. Today this message began appearing: "nonvalid software detected"? I have 8 perpetual licenses. Running 6 active 2019 stations without issue. One station have 2021 which we do not use. Only two stations have received this message so far.
Solved! Go to Solution.
Solved by DarrenP. Go to Solution.
Autodesk said it was resolved: https://health.autodesk.com/incidents/x5lc31l6d971
DarrenP
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Yes. It was an update issue between windows and cad. A windows update changed something and it basically threw off something else in cad. Cad was behind on a patch and/or hotfix. I wish I could provide more technical info. It did take a few chat sessions and a call to get what I needed from Autodesk support but ultimately they got me fixedup. We run c3d 19 and are licensed UpTo 21 so the 19 files, no longer supported, are inaccessible. I think it's a bit of a bad deal but they helped me out as they've done before.
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