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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.
License verification error because of date and time settings
in Help
Hello! I changed my system's date & time settings earlier today to get an achievement in a game that required messing with these settings. I didn't realize that this would affect Live2D at all, but now every time I boot up the program, I get this error:
"Failed to verify a valid license because the system time was not set correctly. (1 ,-40)"
I've already resynced my system's clock and restarted my computer, but no luck. I've sent in a ticket, but if there's anything else I can try in the meantime, I'd like to try it--I'd really like to get back to work on my projects soon.
"Failed to verify a valid license because the system time was not set correctly. (1 ,-40)"
I've already resynced my system's clock and restarted my computer, but no luck. I've sent in a ticket, but if there's anything else I can try in the meantime, I'd like to try it--I'd really like to get back to work on my projects soon.
Comments
Thank you for using our products.
If you have any questions regarding licensing issues, please contact us here.
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Best regards