Run the latest installer from the Soundtoys website.
Searching for "little alterboy top crack fix mac crack" implies you might have downloaded a pirated version. Here is why that will never work properly: little alterboy top crack fix mac
Soundtoys built Little AlterBoy on an older graphics framework (JUCE, prior to version 6). Modern versions of macOS (Monterey, Ventura, Sonoma, and Sequoia) have changed how Metal and OpenGL handle window compositing. The plugin’s UI isn’t correctly calculating its internal canvas size against macOS’s rounded-corner window masks. Result? That 1-pixel “crack” at the top. Run the latest installer from the Soundtoys website
Sometimes macOS "quarantines" plugin files, leading to the "top crack" or "unexpected quit" errors. You can manually bypass this. Open . Modern versions of macOS (Monterey, Ventura, Sonoma, and
Are you experiencing during a session, or is the plugin failing to open on your Mac? Soundtoys 5.3.1: Our Final 32-bit Release