Though it’s perfectly normal for an installation to take some time (sometimes up to 10 hours), you can try a few workarounds. All you can see is a black screen and even a hard reboot doesn’t help it.
You’ve unpacked the installer and now macOS Catalina install stuck on the initial reboot. We’ve rummaged through the internet and collected all macOS Catalina issues known to date. Looks like you’ve installed macOS Catalina knowing it’s not perfect and despite all warnings ended up here. Enter your email address and set your subscription preferences below to get Bluebeam news, product updates, tips & tricks and special publications. However, if you have previously purchased Revu for Mac, you can find the download links here. We’ve discontinued development of Revu for Mac. The editing, annotating and markup apparatuses are accepted to be truly outstanding in the business, and the sort of customization that the product offers is essentially amazing. Bluebeam Revu for Mac Alternative is a super-brilliant programming that makes things like converting, editing and creating your PDF files extremely simple. And we’ve also seen some reports of Autocad for MAC being affected. Some of our customers who are using Parallels and Revu for MAC have contacted us to report issues. The good news is that one of the features of Catalina is the ability to roll-back to the previous version of the OS so it’s not all doom and gloom.