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[Regarding macOS Tahoe](Updated September 18, 2025)
We cannot guarantee the compatibility of the current releases of Live2D Cubism Editor and Cubism SDK with macOS Tahoe.
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.
For more details:
https://help.live2d.com/en/other/other_09/
We cannot guarantee the compatibility of the current releases of Live2D Cubism Editor and Cubism SDK with macOS Tahoe.
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.
For more details:
https://help.live2d.com/en/other/other_09/
For inquiries regarding issues with license purchases or license activation errors, please contact us through the email form.
Does anyone know how to solve this error?
Failed to verify a valid license because the system time was not set correctly. (1 ,-40) )
I have tried to run the program but it always exits and upon entering it does not allow me to save or export. I thought it was because of the free license but in general it doesn't work for me!
My computer time is fine, so I don't know what else it could be.
I have tried to run the program but it always exits and upon entering it does not allow me to save or export. I thought it was because of the free license but in general it doesn't work for me!
My computer time is fine, so I don't know what else it could be.
Answers
Thank you for using our products.
If you have any questions regarding licensing issues, please contact us here.
https://www.live2d.jp/eng/contact/?redirect=1
Best regards