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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.
If you have any feedback regarding the alpha version, including feature requests or bug reports, please use the same forum.

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.

Live2D doesnt open (macbook)

jeanejeane
in Help
So, i used live2d cubism for a short while, a few months later (now), i tried to open it, the Live2D screen load popped up, but it wont load to the actual application once so ever. I tried turning off my firewall, it still didnt work. Im using macbook version 12.1. Can someone help?
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Comments

  • ueno(staff)ueno(staff)
    Hello, @jeane .
    Thank you for your contact.
    This is Live2D Support.
    We apologize for any inconvenience this may cause.

    Please check the link and try it.
    https://docs.live2d.com/cubism-editor-manual/fault-map/?locale=en_us

    If you are unable to resolve the issue, please let us know the following:

    Live2D Software Version: (e.g. Cubism Editor 4.1.00 beta1)
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory(RAM): (e.g. 8GB)
    Connected monitor: (e.g. TUF Gaming VG27AQL1A ×1)

    Thank you.
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  • jeanejeane
    Live2D Software Version: Cubism Editor 4.1.00 beta
    Video card: Intel Iris Graphics 6100 1536 MB
    CPU: Intel Core i5-5257U
    Memory(RAM): 8GB
    Connected monitor: Built-in Retina Display 13,3 inch 2560 x 1600 (laptop)
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  • ueno(staff)ueno(staff)
    @jeane
    Thank you for your reply.

    In order to investigate this issue in detail, we would like your cooperation in the following.
    Please send us the following items via DM.

    ・Log file
    ・Video that confirms this phenomenon

    [How to get the log]
    Open Cubism Editor, click [Help] in the menu at the top of the screen,
    and then click [Open Log File] to get the log file.

    [How to send a direct message]
    Click on my name, "ueno(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)

    Thank you for your cooperation.
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  • jeanejeane
    how do i get my log if my cubism wont open?
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  • ueno(staff)ueno(staff)
    @jeane
    Thank you for sending the screenshots via DM.
    Also, we are very sorry about the logging method.

    Please send us the logs in the following folder by DM.
    /Users/[username]/Library/Live2D/Cubism4_Editor/logs

    Thank you for your cooperation.
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  • ueno(staff)ueno(staff)
    @jeane
    Thank you for sending the DM.
    Library may be a hidden folder.
    Please try setting the Finder to show hidden folders.
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  • ueno(staff)ueno(staff)
    @jeane
    Thank you for sending the log file.

    Restoring the standard font may solve the problem.
    Please check the following page for the procedure.
    （3. Restore system fonts to default setting.）
    https://help.live2d.com/en/cubismeditor/cubism-editor-ui-texts-are-garbled/

    If you still have problems, install the font "Times".

    Also try deleting the settings folder.
    Delete the “Live2D” folder located in the directory below.
    Before deleting, make a backup by copying the folder to another location.
    /Users/[username]/Library/Live2D

    If that does not solve the problem, please contact us again.
    Thank you in advance.
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  • jeanejeane
    so, i tried restoring the fonts, and it didnt work. i also tried making a back up and deleting, it also didnt work
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  • ueno(staff)ueno(staff)
    Thank you for checking.
    Have you tried installing the font "Times"?
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  • jeanejeane
    i dont know how to instal fonts, i have searched youtube but they just used websites.
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  • ueno(staff)ueno(staff)
    Please check the following pages.
    https://support.apple.com/en-ca/HT201749
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  • jeanejeane
    okay, so i checked and there was no fonts called "Times". only times new roman existed, and its already downloaded.
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  • ueno(staff)ueno(staff)
    Thank you for confirming.

    We would appreciate it if you could answer or confirm the following.

    1.How long has this phenomenon been occurring and what was done before it occurred?
    　(OS upgrade, installation of new software, etc.)
    2.Have you changed your environment (e.g., connected remotely)?
    3.Reinstallation of the Editor.
    4.Quit any applications (including resident applications) running other than Editor.
    5.If you are using a custom theme, return it to default.
    6.Remove the mouse and other hardware and start Editor.

    Thank you in advance.
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  • jeanejeane
    1. i dont know, i tried opening it a few weeks ago and it didnt open. i did install blender a few months before i opened it. i also did an upgrade when i knew it didnt work, i also updated java when i knew the live2d didnt work.
    2. i dont think so?
    3. i reinstalled it about it about 3 times
    4. i didnt really had any app running besides then editor that moment.
    5. i dont think im using a custom theme.
    6. like the plug mouse?-
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  • ueno(staff)ueno(staff)
    Thank you for your confirmation.

    1. Please disconnect any connected devices, like a mouse, and restart your PC.
    2. Please try waiting 30 minutes after trying to start Editor.
    　Let us know if there are any changes (error logs appear, etc.).
    3. Please try to terminate the software for the mouse and background applications such as security software.
    4. Try deleting Java once.

    Thank you in advance.
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