Arc browser brought innovation and a new kind of experience to Apple mac users since it was first released. With more updates and improvements, users have become accustomed to using Arc browser as default on their Apple device. Not only Mac users enjoy this shiny new app, Windows 10 and 11 folks also get the same treatment.
Unfortunately, there have been problems with the update of Arc browsers on Mac. It seems that the browser keeps crashing after the upgrade installation. If you are having the same issue, you can find below possible fixes that may help you.
Resolving Arc Browser Keeps Crashing Issue in MacOS Devices After Installing an Update

The effectiveness of these solutions may vary in each user. However, you can try to work on each method one at a time and see if it works for you.
#1 – Update your macOS
Arc browser is available on Mac running on macOS Ventura or higher. To verify your macOS version, click the Apple logo on the top left corner. Select About This Mac. Now, check the version.
To update your macOS, click the Apple logo again. Select System Settings and go to General. Select Software Update.
#2 – Restart your Apple Mac
Another possible way to work around the issue is to restart your Apple device. You may need to close all running applications first. Then, click the Apple logo and select Shut Down. Wait for a few seconds before you turn on your Mac again. Try launching the Arc browser.
#3 – Contact the Arc Team
If you continue to experience the problem, you can try to contact Arc customer support. Go to https://resources.arc.net/hc/en-us/requests/new. On the How can we help option, click the drop down arrow and select Technical Issue on Arc.
Enter your details and write a description about the issue on your Arc browser. You can also submit a screenshot as attachments. Now, hit the Submit button.
Closing
Using Arc browser can give you a different experience in web browsing. Hope you can fix the crash issue as soon as possible.