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ProtoPie Studio Won't Start or Open

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Workaround available Windows, macOS Updated November 14, 2026How we research

Quick answer

If ProtoPie will not open, update Windows and restart, or on macOS delete the preference.json file and relaunch.

Most likely fix: Windows

How to fix it

Try these in order — the most common fix is first.

  1. 1. Windows

    1. Update to the latest version of Windows
    2. Restart ProtoPie
    Did this fix it?

  2. 2. macOS

    1. Go to ~/Library/Application Support/ProtoPie
    2. Delete the preference.json file
    3. Restart ProtoPie
    Did this fix it?

Symptoms

ProtoPie Studio does not launch or closes immediately.

Why it happens

  • Outdated Windows version
  • Corrupted preference file on macOS

This guide also covers

  • protopie won't open
  • protopie studio not starting

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