Forums / Project Manager / Project Manager: Support
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  • June 18, 2026 at 12:08 #47348
    JOAQUIN PRADOS CORDON
    Participant
    Posts: 26
    Threads: 42
    Joined: Mar 2018

    I installed version 4 on Max 2024 and I can’t open it.

    I can’t uninstall version 4 and revert to version 3. Any solutions?

  • June 18, 2026 at 12:09 #47357
    Oleksandr Kramer
    Moderator
    Posts: 269
    Threads: 1411
    Joined: Aug 2009

    Hi!
    Your database is certainly fine. That error wasn’t
    a data problem: the plugin just tried to open the database while it was
    still being updated in the background, and timed out. Nothing was damaged.
    I’ve prepared a new build that handles this situation gracefully
    (it now shows a clear message and closes instead of erroring). I’d recommend
    installing it — https://3d-kstudio.com/my-account/downloads/

    After installing, just reopen Project Manager.

    If the error comes back even after that, send me the log file so I can check
    exactly what happened (no rush, your data is safe and backed up):
    %LOCALAPPDATA%\Kstudio\data\logs\kstudio.log

  • June 18, 2026 at 13:00 #47364
    JOAQUIN PRADOS CORDON
    Participant
    Posts: 26
    Threads: 42
    Joined: Mar 2018

    I installed version .50 and now I get this error

     

    • June 18, 2026 at 14:03 #47366
      Oleksandr Kramer
      Moderator
      Posts: 269
      Threads: 1411
      Joined: Aug 2009

      Because you tried to run 3rd version.
      Restart 3ds Max and run version 4

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