I deleted Mono framework and re-installed it and now It works well.
Thank you for your support.
Kind regards
Jean Louis

I try to use a picoscope 2000 series. For that I installed picoscope 6.10.1.37 for mac os x after installing mono framework 3.12.1. When I try to run picoscope6 nothing appends (I need to force the application to quit). my system is a mac book pro retina with os x 10.9 (mavericks) and the processor ...