When clicking in the top menu, eg File - nothing happens.
terminal shows the following output:
Fontconfig warning: ignoring UTF-8: not a valid region tag
Wi-Fi
/Users/xxx/dev/fiddler/FiddlerAttach.applescript:7:87: execution error: /bin/sh: /Users/xxx/dev/fiddler/attach.sh: Permission denied (126)
Fontconfig warning: ignoring UTF-8: not a valid region tag