Entire Computer Freezes when removing Better Touch Tools Accessibility Permissions

Description
When removing Better Touch Tool Accessibility permissions in System Preferences while BTT is running, entire machine becomes unresponsive. Only way to solve is to Hard Shutdown (hold power button until computer shuts off.)

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Entire System

Device information:

  • Type of Mac:
    MacBook Pro 15in 2018
  • macOS version:
    10.15.2
  • BetterTouchTool version: (please post the exact version - not just "the latest one")
    3.214
    Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):

unfortunately it’s a bug in catalina. In the latest BTT alpha I have added some code that kills all relevant system services and restarts BTT if it recognizes Accessibility permissions have been removed (after a few seconds). I hope this will workaround the macOs bug

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