Enfocus Community

Hi bens, Thanks for your reaction. Indeed I'm using Mac OS version 10. I tried all your suggestions, but there is no solution that works in my case. First of all, when I right click (control-click) there is no option "Show Package Contents". So I tried the other way. I went to /Library/App...

Because I haven't purchased a license of Pitstop Pro12, I would like to install Pitstop Pro 11. But first I have remove Pitstop Pro 12.
How to do that.

Hans