Catalina is slow after booting up: here's the cause and fix!

[MadMax1998]

I booted up my Catalina installation tonight and it took a long time to launch apps. Finder didn't even want to start up properly. I rebooted multiple times, uninstalled several tools, checked the SSD, rebuilt the kextcache... but, it's an Apple server issue! Quote:

Update 1:20 PM PT: If you’re seeing your Mac that’s running Catalina experiencing major slowdowns and apps not opening, you’re not alone. It looks like an issue with an Apple server connection. Here’s how to fix it:

You can see the fix at the source of this quote, 9to5Mac: https://9to5mac.com/2020/11/12/apple-widespread-outages-big-sur-downloads-catalina-imessage/

Hope it helps!