Can’t open Firefox in Mac OS 10.15. Error message saying it is not supported.
My computer auto-upgraded to Mac OS Catalina 10.15. When I try to run Firefox, I receive an error message that the application is not supported by OS 10.15. I’ve downloaded the latest version of Firefox. Any suggestions?
Try to wait for Catalina beta 6Read this answer in context 1
Additional System Details
- User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3833.0 Safari/537.36
I think we have to create a ticket on our bugzilla so that the teams can read it
- Bug 1563631 - [Mac 10.15] Firefox 68 and 67.0.2+ cannot be opened on macOS 10.15 Beta
(please do not comment in bug reports
I too have similar problem when launching Firefox after Mac OS Catalina 10.15 beta upgrade. See attached screenshot.
n0name I suspect you have the same problem as https://support.mozilla.org/en-US/questions/1265998
Try to wait for Catalina beta 6