Safari not working after installing Catalina

Hi dunc3862,

Thanks for coming to Apple Support Communities for help today. It sounds like Safari won't open after installing Catalina.

Have you checked for any Safari stand-alone updates in the Mac App Store?

Have you restarted your Mac? Try restarting in safe mode: Use safe mode to isolate issues with your Mac. This can let you know if a piece of third-party software is interfering with the Safari launch.

You can also check inside a new test user account to isolate the issue further: How to test an issue in another user account on your Mac. This can let you isolate the issue to your user or system-wide.

Let me know how it goes.

Have a fantastic day!

I also have this issue which is unresolved at this time..

I am having to use Opera instead.