App doesn't even open!

Describe the bug
I purchased the license for this app and it doesn't even open anymore... How can I contact for a refund because this app is sooo finicky, not worth the money at all!

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

Screenshots
If applicable, add screenshots to help explain your problem. (You can just paste or drag them here)

Device information:

  • Type of Mac: Pro Retina Mid 2015
  • macOS version: 10.14.2
  • BetterTouchTool version: Dont even know because the app can't open!

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):

Note: Before bug reporting, please make sure you have the latest version of BetterTouchTool and that you have already tried to restart your system :-). If you encounter a crash, please attach a crash log from the macOS Console.app from the "User Diagnostic Reports" section.

Refunds are available within 14 days after purchase. See https://folivora.ai/buy for more details.

Your issue is probably a Mojave bug, see:
https://folivora.ai/blog/post/13005 for how to solve it.