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[About Cubism Editor / SDK 5.4 Alpha](Updated: July 14, 2026)

You can download the alpha installer from the dedicated forum below.
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Cubism Editor / SDK 5.4 Alpha Forum
https://creatorsforum.live2d.com/c/cubismeditorsdk54alpha/

[Regarding macOS Tahoe](Updated October 16, 2025)

macOS v26 Tahoe is now supported!
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.

Can't get moc3 file to appear

Saw some others had this issue because of ID's or memory, but I can't read the log well enough to tell what I'm doing wrong. Basically the moc3 will act like it's saving/exporting, but it won't appear. The errors in the log read as follows:

2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - Jun 21, 2022 4:05:06 PM java.util.prefs.WindowsPreferences
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - Jun 21, 2022 4:05:06 PM jpen.provider.NativeLibraryLoader$4 run
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - INFO: loading JPen 2-150301 JNI library: jpen-2-3-64 ...
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - Jun 21, 2022 4:05:06 PM jpen.provider.NativeLibraryLoader$4 logOnFail
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - INFO: jpen-2-3-64 couldn't be loaded
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - Jun 21, 2022 4:05:06 PM jpen.provider.NativeLibraryLoader load
2022.06.21 at 16:05:06 CDT ERROR jp.noids.ui.c.f$a -1 write - INFO: no suitable JNI library found

Comments

  • Live2D Software Version: Cubism Editor 4.2.00 beta1
    OS & Version: Windows 10
    PC Model: HP Pavilion Gaming Desktop
    Memory(RAM): 16GB
    Illustration Software used: Photoshop
  • @AkiaSNB

    Thank you for your continued use of our product.

    For further investigation, please fill in all the information below:
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory(RAM): (e.g. 8GB)

    Please try steps 1-4 on this page to see if the problem improves.
    https://help.live2d.com/en/?p=4804

    Best regards.
  • @AkiaSNB

    Thank you for your continued use of our product.

    For further investigation, please fill in all the information below:
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory(RAM): (e.g. 8GB)

    Please try steps 1-4 on this page to see if the problem improves.
    https://help.live2d.com/en/?p=4804

    Best regards.

    Video Card: GeForce GTX 1060
    CPU: Intel Core i5-8400
    Memory: 8GB
  • @AkiaSNB

    Thank you for your reply.

    Have you tried all the steps 1-4 in the Live2D help and still no improvement?
    Please send me the log file.

    [How to get the log file]
    https://help.live2d.com/en/other/other_22/

    [How to send a direct message]
    Click on my name, "enoko(Staff)".
    My profile screen will open. Click on [Message] in the top right corner.
    The message sending screen opens.
    Click on the icon [Attach file] and select the file.
    Click [Post Message] to send the message.
    (Please compress the file. If the file is too large to be attached, use an upload site or similar)

    Best regards!
  • @AkiaSNB

    I am sorry!
    This page, which we provided you with, was not available for viewing.
    It is now ready for viewing.
    Please try steps 1-4.
    https://help.live2d.com/en/?p=4804

    Best regards.
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