Check whether it is a 32 bit app. I just checked my apps and my KXPA and PX3 apps are 32 bit. Catalina requires 64 bit apps.
This explains how to check. https://support.apple.com/en-us/HT208436 wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Mar 27, 2020, at 4:04 PM, Don Putnick <[email protected]> wrote: > > Hi all, > I'm working with Rob at Elecraft on this, but I'm trying to gather more > data for us. When I open the K3 Utility under Catalina, nothing is > displayed. If I go down to the dock, right click on the utility, then > select "Show all windows", the utility main screen opens. BUT if I click on > the screen, it closes immediately. The KAT500 Utility works just fine, so I > don't think its the usb-to-serial cable or the driver. And the K3 Utility > works correctly under macOS Sierra. Anyone else experiencing this? > 73 Don NA6Z > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
