Where is the plugin folder for Android Studio on MAC

Android Studio plugin directories are /Applications/Android Studio.app/plugins and ~/Library/Application Support/AndroidStudioPreview(hidden). Perhaps if you find and delete the bad plugin folder Android Studio will be able to be started correctly.

For Android Studio 4.1 main folder was change location

Now main folder you can find in path:

~/Library/Application Support/Google/AndroidStudio4.1