mojave vm

I want to upgrade from Mojave to Catalina, but need to run iPhoto. I had hoped that creating a Mojave VM would allow mme to do this, but when I click on a photo or try to edit a photo, I get a black screen. The thumbnails show up fine. Any ideas?

AirPods not working with Host OS X Catalina, PDesktop 15.1.2 (47123) and guess is Mojave I recently upgraded to OS X Catalina 10.15.2, then I upgraded to Parallels Desktop for Mac 15.1.2 (47123), I have a couple of VM, some Ubuntu and some OS X running Mojave, with Parallels Desktop 14...

Here's the issue - I see some threads about this but no answer: I want to install mojave as a VM to run 32 bit apps. I want to to migration assistant but the VM disk is too small, at 64 GB. So I need a bigger VM. Here's what I tried and failed: 1) Resize the drive in parallels. The Mojave VM...

This is what I want to do and need to know if a) this is possible and b) if so, how to do it: I am running Catalina which only 64 bit apps can run. I have a Fujitsu scanner S1500M that has 32bit scanning software that Fujitsu has made end of life and will not upgrade the software even though the...

My Mac is running El Capitain with Parallels 14. I have created a new VM running Mojave so that I can test some old versions of applications to see if they will work. I also have a Windows 10 VM. The Window VM works fine but I have a number of issues with the Mojave VM: 1. The screen...